1277111108

素因数分解:

$2^2\times 7^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:291

約数の個数: 120

約数和(自身を含む): 2875641048

約数和(自身を除く): 1598529940

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 53, 91, 98, 106, 182, 193, 196, 212, 343, 364, 371, 386, 637, 686, 689, 742, 772, 1274, 1351, 1372, 1378, 1484, 2401, 2509, 2548, 2597, 2702, 2756, 4459, 4802, 4823, 5018, 5194, 5404, 8918, 9457, 9604, 9646, 10036, 10229, 10388, 17563, 17836, 18179, 18914, 19292, 20458, 31213, 33761, 35126, 36358, 37828, 40916, 62426, 66199, 67522, 70252, 71603, 72716, 122941, 124852, 127253, 132398, 132977, 135044, 143206, 236327, 245882, 254506, 264796, 265954, 286412, 463393, 472654, 491764, 501221, 509012, 531908, 860587, 926786, 930839, 945308, 1002442, 1654289, 1721174, 1853572, 1861678, 2004884, 3308578, 3442348, 3508547, 3723356, 6024109, 6515873, 6617156, 7017094, 12048218, 13031746, 14034188, 24096436, 24559829, 26063492, 45611111, 49119658, 91222222, 98239316, 182444444, 319277777, 638555554, 1277111108]

約数ペア:

[(1, 1277111108), (2, 638555554), (4, 319277777), (7, 182444444), (13, 98239316), (14, 91222222), (26, 49119658), (28, 45611111), (49, 26063492), (52, 24559829), (53, 24096436), (91, 14034188), (98, 13031746), (106, 12048218), (182, 7017094), (193, 6617156), (196, 6515873), (212, 6024109), (343, 3723356), (364, 3508547), (371, 3442348), (386, 3308578), (637, 2004884), (686, 1861678), (689, 1853572), (742, 1721174), (772, 1654289), (1274, 1002442), (1351, 945308), (1372, 930839), (1378, 926786), (1484, 860587), (2401, 531908), (2509, 509012), (2548, 501221), (2597, 491764), (2702, 472654), (2756, 463393), (4459, 286412), (4802, 265954), (4823, 264796), (5018, 254506), (5194, 245882), (5404, 236327), (8918, 143206), (9457, 135044), (9604, 132977), (9646, 132398), (10036, 127253), (10229, 124852), (10388, 122941), (17563, 72716), (17836, 71603), (18179, 70252), (18914, 67522), (19292, 66199), (20458, 62426), (31213, 40916), (33761, 37828), (35126, 36358)]