1790220978

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3631}}^1$

素因数の和:3709

約数の個数: 144

約数和(自身を含む): 4973544576

約数和(自身を除く): 3183323598

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 43, 49, 63, 78, 86, 91, 98, 117, 126, 129, 147, 182, 234, 258, 273, 294, 301, 387, 441, 546, 559, 602, 637, 774, 819, 882, 903, 1118, 1274, 1638, 1677, 1806, 1911, 2107, 2709, 3354, 3631, 3822, 3913, 4214, 5031, 5418, 5733, 6321, 7262, 7826, 10062, 10893, 11466, 11739, 12642, 18963, 21786, 23478, 25417, 27391, 32679, 35217, 37926, 47203, 50834, 54782, 65358, 70434, 76251, 82173, 94406, 141609, 152502, 156133, 164346, 177919, 228753, 246519, 283218, 312266, 330421, 355838, 424827, 457506, 468399, 493038, 533757, 660842, 849654, 936798, 991263, 1067514, 1092931, 1405197, 1601271, 1982526, 2029729, 2185862, 2312947, 2810394, 2973789, 3202542, 3278793, 4059458, 4625894, 5947578, 6089187, 6557586, 6938841, 7650517, 9836379, 12178374, 13877682, 14208103, 15301034, 18267561, 19672758, 20816523, 22951551, 28416206, 36535122, 41633046, 42624309, 45903102, 68854653, 85248618, 99456721, 127872927, 137709306, 198913442, 255745854, 298370163, 596740326, 895110489, 1790220978]

約数ペア:

[(1, 1790220978), (2, 895110489), (3, 596740326), (6, 298370163), (7, 255745854), (9, 198913442), (13, 137709306), (14, 127872927), (18, 99456721), (21, 85248618), (26, 68854653), (39, 45903102), (42, 42624309), (43, 41633046), (49, 36535122), (63, 28416206), (78, 22951551), (86, 20816523), (91, 19672758), (98, 18267561), (117, 15301034), (126, 14208103), (129, 13877682), (147, 12178374), (182, 9836379), (234, 7650517), (258, 6938841), (273, 6557586), (294, 6089187), (301, 5947578), (387, 4625894), (441, 4059458), (546, 3278793), (559, 3202542), (602, 2973789), (637, 2810394), (774, 2312947), (819, 2185862), (882, 2029729), (903, 1982526), (1118, 1601271), (1274, 1405197), (1638, 1092931), (1677, 1067514), (1806, 991263), (1911, 936798), (2107, 849654), (2709, 660842), (3354, 533757), (3631, 493038), (3822, 468399), (3913, 457506), (4214, 424827), (5031, 355838), (5418, 330421), (5733, 312266), (6321, 283218), (7262, 246519), (7826, 228753), (10062, 177919), (10893, 164346), (11466, 156133), (11739, 152502), (12642, 141609), (18963, 94406), (21786, 82173), (23478, 76251), (25417, 70434), (27391, 65358), (32679, 54782), (35217, 50834), (37926, 47203)]