28023710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19597}}^1$

素因数の和:19628

約数の個数: 32

約数和(自身を含む): 59264352

約数和(自身を除く): 31240642

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 19597, 39194, 97985, 195970, 215567, 254761, 431134, 509522, 1077835, 1273805, 2155670, 2547610, 2802371, 5604742, 14011855, 28023710]

約数ペア:

[(1, 28023710), (2, 14011855), (5, 5604742), (10, 2802371), (11, 2547610), (13, 2155670), (22, 1273805), (26, 1077835), (55, 509522), (65, 431134), (110, 254761), (130, 215567), (143, 195970), (286, 97985), (715, 39194), (1430, 19597)]