8563984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 20623680

約数和(自身を除く): 12059696

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 176, 197, 208, 209, 247, 286, 304, 394, 418, 494, 572, 788, 836, 988, 1144, 1576, 1672, 1976, 2167, 2288, 2561, 2717, 3152, 3344, 3743, 3952, 4334, 5122, 5434, 7486, 8668, 10244, 10868, 14972, 17336, 20488, 21736, 28171, 29944, 34672, 40976, 41173, 43472, 48659, 56342, 59888, 82346, 97318, 112684, 164692, 194636, 225368, 329384, 389272, 450736, 535249, 658768, 778544, 1070498, 2140996, 4281992, 8563984]

約数ペア:

[(1, 8563984), (2, 4281992), (4, 2140996), (8, 1070498), (11, 778544), (13, 658768), (16, 535249), (19, 450736), (22, 389272), (26, 329384), (38, 225368), (44, 194636), (52, 164692), (76, 112684), (88, 97318), (104, 82346), (143, 59888), (152, 56342), (176, 48659), (197, 43472), (208, 41173), (209, 40976), (247, 34672), (286, 29944), (304, 28171), (394, 21736), (418, 20488), (494, 17336), (572, 14972), (788, 10868), (836, 10244), (988, 8668), (1144, 7486), (1576, 5434), (1672, 5122), (1976, 4334), (2167, 3952), (2288, 3743), (2561, 3344), (2717, 3152)]