28421118

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:455

約数の個数: 80

約数和(自身を含む): 71351280

約数和(自身を除く): 42930162

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 41, 54, 66, 81, 82, 99, 123, 162, 198, 246, 297, 369, 389, 451, 594, 738, 778, 891, 902, 1107, 1167, 1353, 1782, 2214, 2334, 2706, 3321, 3501, 4059, 4279, 6642, 7002, 8118, 8558, 10503, 12177, 12837, 15949, 21006, 24354, 25674, 31509, 31898, 36531, 38511, 47847, 63018, 73062, 77022, 95694, 115533, 143541, 175439, 231066, 287082, 346599, 350878, 430623, 526317, 693198, 861246, 1052634, 1291869, 1578951, 2583738, 3157902, 4736853, 9473706, 14210559, 28421118]

約数ペア:

[(1, 28421118), (2, 14210559), (3, 9473706), (6, 4736853), (9, 3157902), (11, 2583738), (18, 1578951), (22, 1291869), (27, 1052634), (33, 861246), (41, 693198), (54, 526317), (66, 430623), (81, 350878), (82, 346599), (99, 287082), (123, 231066), (162, 175439), (198, 143541), (246, 115533), (297, 95694), (369, 77022), (389, 73062), (451, 63018), (594, 47847), (738, 38511), (778, 36531), (891, 31898), (902, 31509), (1107, 25674), (1167, 24354), (1353, 21006), (1782, 15949), (2214, 12837), (2334, 12177), (2706, 10503), (3321, 8558), (3501, 8118), (4059, 7002), (4279, 6642)]