820222832

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1699}}^1$

素因数の和:1942

約数の個数: 80

約数和(自身を含む): 1876963200

約数和(自身を除く): 1056740368

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 211, 286, 422, 572, 844, 1144, 1688, 1699, 2288, 2321, 2743, 3376, 3398, 4642, 5486, 6796, 9284, 10972, 13592, 18568, 18689, 21944, 22087, 27184, 30173, 37136, 37378, 43888, 44174, 60346, 74756, 88348, 120692, 149512, 176696, 241384, 242957, 299024, 353392, 358489, 482768, 485914, 716978, 971828, 1433956, 1943656, 2867912, 3887312, 3943379, 4660357, 5735824, 7886758, 9320714, 15773516, 18641428, 31547032, 37282856, 51263927, 63094064, 74565712, 102527854, 205055708, 410111416, 820222832]

約数ペア:

[(1, 820222832), (2, 410111416), (4, 205055708), (8, 102527854), (11, 74565712), (13, 63094064), (16, 51263927), (22, 37282856), (26, 31547032), (44, 18641428), (52, 15773516), (88, 9320714), (104, 7886758), (143, 5735824), (176, 4660357), (208, 3943379), (211, 3887312), (286, 2867912), (422, 1943656), (572, 1433956), (844, 971828), (1144, 716978), (1688, 485914), (1699, 482768), (2288, 358489), (2321, 353392), (2743, 299024), (3376, 242957), (3398, 241384), (4642, 176696), (5486, 149512), (6796, 120692), (9284, 88348), (10972, 74756), (13592, 60346), (18568, 44174), (18689, 43888), (21944, 37378), (22087, 37136), (27184, 30173)]