28558296

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{2347}}^1$

素因数の和:2385

約数の個数: 72

約数和(自身を含む): 83788380

約数和(自身を除く): 55230084

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 169, 234, 312, 338, 468, 507, 676, 936, 1014, 1352, 1521, 2028, 2347, 3042, 4056, 4694, 6084, 7041, 9388, 12168, 14082, 18776, 21123, 28164, 30511, 42246, 56328, 61022, 84492, 91533, 122044, 168984, 183066, 244088, 274599, 366132, 396643, 549198, 732264, 793286, 1098396, 1189929, 1586572, 2196792, 2379858, 3173144, 3569787, 4759716, 7139574, 9519432, 14279148, 28558296]

約数ペア:

[(1, 28558296), (2, 14279148), (3, 9519432), (4, 7139574), (6, 4759716), (8, 3569787), (9, 3173144), (12, 2379858), (13, 2196792), (18, 1586572), (24, 1189929), (26, 1098396), (36, 793286), (39, 732264), (52, 549198), (72, 396643), (78, 366132), (104, 274599), (117, 244088), (156, 183066), (169, 168984), (234, 122044), (312, 91533), (338, 84492), (468, 61022), (507, 56328), (676, 42246), (936, 30511), (1014, 28164), (1352, 21123), (1521, 18776), (2028, 14082), (2347, 12168), (3042, 9388), (4056, 7041), (4694, 6084)]