28897630

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{397}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 54159840

約数和(自身を除く): 25262210

約数列:

[1, 2, 5, 10, 29, 58, 145, 251, 290, 397, 502, 794, 1255, 1985, 2510, 3970, 7279, 11513, 14558, 23026, 36395, 57565, 72790, 99647, 115130, 199294, 498235, 996470, 2889763, 5779526, 14448815, 28897630]

約数ペア:

[(1, 28897630), (2, 14448815), (5, 5779526), (10, 2889763), (29, 996470), (58, 498235), (145, 199294), (251, 115130), (290, 99647), (397, 72790), (502, 57565), (794, 36395), (1255, 23026), (1985, 14558), (2510, 11513), (3970, 7279)]