28237872

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{59}}^2$

素因数の和:155

約数の個数: 90

約数和(自身を含む): 80352372

約数和(自身を除く): 52114500

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 59, 78, 104, 118, 156, 169, 177, 208, 236, 312, 338, 354, 472, 507, 624, 676, 708, 767, 944, 1014, 1352, 1416, 1534, 2028, 2301, 2704, 2832, 3068, 3481, 4056, 4602, 6136, 6962, 8112, 9204, 9971, 10443, 12272, 13924, 18408, 19942, 20886, 27848, 29913, 36816, 39884, 41772, 45253, 55696, 59826, 79768, 83544, 90506, 119652, 135759, 159536, 167088, 181012, 239304, 271518, 362024, 478608, 543036, 588289, 724048, 1086072, 1176578, 1764867, 2172144, 2353156, 3529734, 4706312, 7059468, 9412624, 14118936, 28237872]

約数ペア:

[(1, 28237872), (2, 14118936), (3, 9412624), (4, 7059468), (6, 4706312), (8, 3529734), (12, 2353156), (13, 2172144), (16, 1764867), (24, 1176578), (26, 1086072), (39, 724048), (48, 588289), (52, 543036), (59, 478608), (78, 362024), (104, 271518), (118, 239304), (156, 181012), (169, 167088), (177, 159536), (208, 135759), (236, 119652), (312, 90506), (338, 83544), (354, 79768), (472, 59826), (507, 55696), (624, 45253), (676, 41772), (708, 39884), (767, 36816), (944, 29913), (1014, 27848), (1352, 20886), (1416, 19942), (1534, 18408), (2028, 13924), (2301, 12272), (2704, 10443), (2832, 9971), (3068, 9204), (3481, 8112), (4056, 6962), (4602, 6136)]