28384668

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:345

約数の個数: 120

約数和(自身を含む): 83670048

約数和(自身を除く): 55285380

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 27, 36, 39, 46, 52, 54, 69, 78, 81, 92, 108, 117, 138, 156, 162, 207, 234, 276, 293, 299, 324, 351, 414, 468, 586, 598, 621, 702, 828, 879, 897, 1053, 1172, 1196, 1242, 1404, 1758, 1794, 1863, 2106, 2484, 2637, 2691, 3516, 3588, 3726, 3809, 4212, 5274, 5382, 6739, 7452, 7618, 7911, 8073, 10548, 10764, 11427, 13478, 15236, 15822, 16146, 20217, 22854, 23733, 24219, 26956, 31644, 32292, 34281, 40434, 45708, 47466, 48438, 60651, 68562, 80868, 87607, 94932, 96876, 102843, 121302, 137124, 175214, 181953, 205686, 242604, 262821, 308529, 350428, 363906, 411372, 525642, 545859, 617058, 727812, 788463, 1051284, 1091718, 1234116, 1576926, 2183436, 2365389, 3153852, 4730778, 7096167, 9461556, 14192334, 28384668]

約数ペア:

[(1, 28384668), (2, 14192334), (3, 9461556), (4, 7096167), (6, 4730778), (9, 3153852), (12, 2365389), (13, 2183436), (18, 1576926), (23, 1234116), (26, 1091718), (27, 1051284), (36, 788463), (39, 727812), (46, 617058), (52, 545859), (54, 525642), (69, 411372), (78, 363906), (81, 350428), (92, 308529), (108, 262821), (117, 242604), (138, 205686), (156, 181953), (162, 175214), (207, 137124), (234, 121302), (276, 102843), (293, 96876), (299, 94932), (324, 87607), (351, 80868), (414, 68562), (468, 60651), (586, 48438), (598, 47466), (621, 45708), (702, 40434), (828, 34281), (879, 32292), (897, 31644), (1053, 26956), (1172, 24219), (1196, 23733), (1242, 22854), (1404, 20217), (1758, 16146), (1794, 15822), (1863, 15236), (2106, 13478), (2484, 11427), (2637, 10764), (2691, 10548), (3516, 8073), (3588, 7911), (3726, 7618), (3809, 7452), (4212, 6739), (5274, 5382)]