28853825

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1153}}^1$

素因数の和:1194

約数の個数: 48

約数和(自身を含む): 48080256

約数和(自身を除く): 19226431

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 143, 175, 275, 325, 385, 455, 715, 1001, 1153, 1925, 2275, 3575, 5005, 5765, 8071, 12683, 14989, 25025, 28825, 40355, 63415, 74945, 88781, 104923, 164879, 201775, 317075, 374725, 443905, 524615, 824395, 1154153, 2219525, 2623075, 4121975, 5770765, 28853825]

約数ペア:

[(1, 28853825), (5, 5770765), (7, 4121975), (11, 2623075), (13, 2219525), (25, 1154153), (35, 824395), (55, 524615), (65, 443905), (77, 374725), (91, 317075), (143, 201775), (175, 164879), (275, 104923), (325, 88781), (385, 74945), (455, 63415), (715, 40355), (1001, 28825), (1153, 25025), (1925, 14989), (2275, 12683), (3575, 8071), (5005, 5765)]