128465488

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{11261}}^1$

素因数の和:11323

約数の個数: 40

約数和(自身を含む): 268125696

約数和(自身を除く): 139660208

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 92, 124, 184, 248, 368, 496, 713, 1426, 2852, 5704, 11261, 11408, 22522, 45044, 90088, 180176, 259003, 349091, 518006, 698182, 1036012, 1396364, 2072024, 2792728, 4144048, 5585456, 8029093, 16058186, 32116372, 64232744, 128465488]

約数ペア:

[(1, 128465488), (2, 64232744), (4, 32116372), (8, 16058186), (16, 8029093), (23, 5585456), (31, 4144048), (46, 2792728), (62, 2072024), (92, 1396364), (124, 1036012), (184, 698182), (248, 518006), (368, 349091), (496, 259003), (713, 180176), (1426, 90088), (2852, 45044), (5704, 22522), (11261, 11408)]