90638964

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{661}}^1$

素因数の和:977

約数の個数: 72

約数和(自身を含む): 247956072

約数和(自身を除く): 157317108

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 293, 468, 586, 661, 879, 1172, 1322, 1758, 1983, 2637, 2644, 3516, 3809, 3966, 5274, 5949, 7618, 7932, 8593, 10548, 11427, 11898, 15236, 17186, 22854, 23796, 25779, 34281, 34372, 45708, 51558, 68562, 77337, 103116, 137124, 154674, 193673, 309348, 387346, 581019, 774692, 1162038, 1743057, 2324076, 2517749, 3486114, 5035498, 6972228, 7553247, 10070996, 15106494, 22659741, 30212988, 45319482, 90638964]

約数ペア:

[(1, 90638964), (2, 45319482), (3, 30212988), (4, 22659741), (6, 15106494), (9, 10070996), (12, 7553247), (13, 6972228), (18, 5035498), (26, 3486114), (36, 2517749), (39, 2324076), (52, 1743057), (78, 1162038), (117, 774692), (156, 581019), (234, 387346), (293, 309348), (468, 193673), (586, 154674), (661, 137124), (879, 103116), (1172, 77337), (1322, 68562), (1758, 51558), (1983, 45708), (2637, 34372), (2644, 34281), (3516, 25779), (3809, 23796), (3966, 22854), (5274, 17186), (5949, 15236), (7618, 11898), (7932, 11427), (8593, 10548)]