72572005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 97993728

約数和(自身を除く): 25421723

約数列:

[1, 5, 11, 55, 61, 97, 223, 305, 485, 671, 1067, 1115, 2453, 3355, 5335, 5917, 12265, 13603, 21631, 29585, 65087, 68015, 108155, 149633, 237941, 325435, 748165, 1189705, 1319491, 6597455, 14514401, 72572005]

約数ペア:

[(1, 72572005), (5, 14514401), (11, 6597455), (55, 1319491), (61, 1189705), (97, 748165), (223, 325435), (305, 237941), (485, 149633), (671, 108155), (1067, 68015), (1115, 65087), (2453, 29585), (3355, 21631), (5335, 13603), (5917, 12265)]