261229746

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{383}}^1$

素因数の和:631

約数の個数: 64

約数和(自身を含む): 572129280

約数和(自身を除く): 310899534

約数列:

[1, 2, 3, 6, 19, 31, 38, 57, 62, 93, 114, 186, 193, 383, 386, 579, 589, 766, 1149, 1158, 1178, 1767, 2298, 3534, 3667, 5983, 7277, 7334, 11001, 11873, 11966, 14554, 17949, 21831, 22002, 23746, 35619, 35898, 43662, 71238, 73919, 113677, 147838, 221757, 225587, 227354, 341031, 443514, 451174, 676761, 682062, 1353522, 1404461, 2291489, 2808922, 4213383, 4582978, 6874467, 8426766, 13748934, 43538291, 87076582, 130614873, 261229746]

約数ペア:

[(1, 261229746), (2, 130614873), (3, 87076582), (6, 43538291), (19, 13748934), (31, 8426766), (38, 6874467), (57, 4582978), (62, 4213383), (93, 2808922), (114, 2291489), (186, 1404461), (193, 1353522), (383, 682062), (386, 676761), (579, 451174), (589, 443514), (766, 341031), (1149, 227354), (1158, 225587), (1178, 221757), (1767, 147838), (2298, 113677), (3534, 73919), (3667, 71238), (5983, 43662), (7277, 35898), (7334, 35619), (11001, 23746), (11873, 22002), (11966, 21831), (14554, 17949)]