84871696

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:920

約数の個数: 80

約数和(自身を含む): 205486848

約数和(自身を除く): 120615152

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 71, 91, 104, 112, 142, 182, 208, 284, 364, 497, 568, 728, 821, 923, 994, 1136, 1456, 1642, 1846, 1988, 3284, 3692, 3976, 5747, 6461, 6568, 7384, 7952, 10673, 11494, 12922, 13136, 14768, 21346, 22988, 25844, 42692, 45976, 51688, 58291, 74711, 85384, 91952, 103376, 116582, 149422, 170768, 233164, 298844, 408037, 466328, 597688, 757783, 816074, 932656, 1195376, 1515566, 1632148, 3031132, 3264296, 5304481, 6062264, 6528592, 10608962, 12124528, 21217924, 42435848, 84871696]

約数ペア:

[(1, 84871696), (2, 42435848), (4, 21217924), (7, 12124528), (8, 10608962), (13, 6528592), (14, 6062264), (16, 5304481), (26, 3264296), (28, 3031132), (52, 1632148), (56, 1515566), (71, 1195376), (91, 932656), (104, 816074), (112, 757783), (142, 597688), (182, 466328), (208, 408037), (284, 298844), (364, 233164), (497, 170768), (568, 149422), (728, 116582), (821, 103376), (923, 91952), (994, 85384), (1136, 74711), (1456, 58291), (1642, 51688), (1846, 45976), (1988, 42692), (3284, 25844), (3692, 22988), (3976, 21346), (5747, 14768), (6461, 13136), (6568, 12922), (7384, 11494), (7952, 10673)]