387768458

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{617}}^1$

素因数の和:708

約数の個数: 72

約数和(自身を含む): 758979396

約数和(自身を除く): 371210938

約数列:

[1, 2, 7, 11, 14, 22, 49, 53, 77, 98, 106, 121, 154, 242, 371, 539, 583, 617, 742, 847, 1078, 1166, 1234, 1694, 2597, 4081, 4319, 5194, 5929, 6413, 6787, 8162, 8638, 11858, 12826, 13574, 28567, 30233, 32701, 44891, 47509, 57134, 60466, 65402, 74657, 89782, 95018, 149314, 228907, 314237, 332563, 359711, 457814, 522599, 628474, 665126, 719422, 1045198, 1602349, 2517977, 3204698, 3658193, 3956821, 5035954, 7316386, 7913642, 17625839, 27697747, 35251678, 55395494, 193884229, 387768458]

約数ペア:

[(1, 387768458), (2, 193884229), (7, 55395494), (11, 35251678), (14, 27697747), (22, 17625839), (49, 7913642), (53, 7316386), (77, 5035954), (98, 3956821), (106, 3658193), (121, 3204698), (154, 2517977), (242, 1602349), (371, 1045198), (539, 719422), (583, 665126), (617, 628474), (742, 522599), (847, 457814), (1078, 359711), (1166, 332563), (1234, 314237), (1694, 228907), (2597, 149314), (4081, 95018), (4319, 89782), (5194, 74657), (5929, 65402), (6413, 60466), (6787, 57134), (8162, 47509), (8638, 44891), (11858, 32701), (12826, 30233), (13574, 28567)]