15739828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 31752000

約数和(自身を除く): 16012172

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 89, 178, 179, 247, 356, 358, 494, 716, 988, 1157, 1691, 2314, 2327, 3382, 3401, 4628, 4654, 6764, 6802, 9308, 13604, 15931, 21983, 31862, 43966, 44213, 63724, 87932, 88426, 176852, 207103, 302689, 414206, 605378, 828412, 1210756, 3934957, 7869914, 15739828]

約数ペア:

[(1, 15739828), (2, 7869914), (4, 3934957), (13, 1210756), (19, 828412), (26, 605378), (38, 414206), (52, 302689), (76, 207103), (89, 176852), (178, 88426), (179, 87932), (247, 63724), (356, 44213), (358, 43966), (494, 31862), (716, 21983), (988, 15931), (1157, 13604), (1691, 9308), (2314, 6802), (2327, 6764), (3382, 4654), (3401, 4628)]