156915325

素因数分解:

$5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 229913856

約数和(自身を除く): 72998531

約数列:

[1, 5, 7, 25, 35, 71, 73, 173, 175, 355, 365, 497, 511, 865, 1211, 1775, 1825, 2485, 2555, 4325, 5183, 6055, 12283, 12425, 12629, 12775, 25915, 30275, 36281, 61415, 63145, 85981, 88403, 129575, 181405, 307075, 315725, 429905, 442015, 896659, 907025, 2149525, 2210075, 4483295, 6276613, 22416475, 31383065, 156915325]

約数ペア:

[(1, 156915325), (5, 31383065), (7, 22416475), (25, 6276613), (35, 4483295), (71, 2210075), (73, 2149525), (173, 907025), (175, 896659), (355, 442015), (365, 429905), (497, 315725), (511, 307075), (865, 181405), (1211, 129575), (1775, 88403), (1825, 85981), (2485, 63145), (2555, 61415), (4325, 36281), (5183, 30275), (6055, 25915), (12283, 12775), (12425, 12629)]