81570016

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2389}}^1$

素因数の和:2507

約数の個数: 48

約数和(自身を含む): 177070320

約数和(自身を除く): 95500304

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 97, 176, 194, 352, 388, 776, 1067, 1552, 2134, 2389, 3104, 4268, 4778, 8536, 9556, 17072, 19112, 26279, 34144, 38224, 52558, 76448, 105116, 210232, 231733, 420464, 463466, 840928, 926932, 1853864, 2549063, 3707728, 5098126, 7415456, 10196252, 20392504, 40785008, 81570016]

約数ペア:

[(1, 81570016), (2, 40785008), (4, 20392504), (8, 10196252), (11, 7415456), (16, 5098126), (22, 3707728), (32, 2549063), (44, 1853864), (88, 926932), (97, 840928), (176, 463466), (194, 420464), (352, 231733), (388, 210232), (776, 105116), (1067, 76448), (1552, 52558), (2134, 38224), (2389, 34144), (3104, 26279), (4268, 19112), (4778, 17072), (8536, 9556)]