256445888

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6803}}^1$

素因数の和:6865

約数の個数: 56

約数和(自身を含む): 553029120

約数和(自身を除く): 296583232

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 152, 248, 304, 496, 589, 608, 992, 1178, 1216, 1984, 2356, 4712, 6803, 9424, 13606, 18848, 27212, 37696, 54424, 108848, 129257, 210893, 217696, 258514, 421786, 435392, 517028, 843572, 1034056, 1687144, 2068112, 3374288, 4006967, 4136224, 6748576, 8013934, 8272448, 13497152, 16027868, 32055736, 64111472, 128222944, 256445888]

約数ペア:

[(1, 256445888), (2, 128222944), (4, 64111472), (8, 32055736), (16, 16027868), (19, 13497152), (31, 8272448), (32, 8013934), (38, 6748576), (62, 4136224), (64, 4006967), (76, 3374288), (124, 2068112), (152, 1687144), (248, 1034056), (304, 843572), (496, 517028), (589, 435392), (608, 421786), (992, 258514), (1178, 217696), (1216, 210893), (1984, 129257), (2356, 108848), (4712, 54424), (6803, 37696), (9424, 27212), (13606, 18848)]