81705472

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:301

約数の個数: 80

約数和(自身を含む): 177265440

約数和(自身を除く): 95559968

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 64, 74, 76, 128, 148, 152, 227, 256, 296, 304, 454, 512, 592, 608, 703, 908, 1184, 1216, 1406, 1816, 2368, 2432, 2812, 3632, 4313, 4736, 4864, 5624, 7264, 8399, 8626, 9472, 9728, 11248, 14528, 16798, 17252, 18944, 22496, 29056, 33596, 34504, 44992, 58112, 67192, 69008, 89984, 116224, 134384, 138016, 159581, 179968, 268768, 276032, 319162, 359936, 537536, 552064, 638324, 1075072, 1104128, 1276648, 2150144, 2208256, 2553296, 4300288, 5106592, 10213184, 20426368, 40852736, 81705472]

約数ペア:

[(1, 81705472), (2, 40852736), (4, 20426368), (8, 10213184), (16, 5106592), (19, 4300288), (32, 2553296), (37, 2208256), (38, 2150144), (64, 1276648), (74, 1104128), (76, 1075072), (128, 638324), (148, 552064), (152, 537536), (227, 359936), (256, 319162), (296, 276032), (304, 268768), (454, 179968), (512, 159581), (592, 138016), (608, 134384), (703, 116224), (908, 89984), (1184, 69008), (1216, 67192), (1406, 58112), (1816, 44992), (2368, 34504), (2432, 33596), (2812, 29056), (3632, 22496), (4313, 18944), (4736, 17252), (4864, 16798), (5624, 14528), (7264, 11248), (8399, 9728), (8626, 9472)]