28298815

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 36997632

約数和(自身を除く): 8698817

約数列:

[1, 5, 31, 41, 61, 73, 155, 205, 305, 365, 1271, 1891, 2263, 2501, 2993, 4453, 6355, 9455, 11315, 12505, 14965, 22265, 77531, 92783, 138043, 182573, 387655, 463915, 690215, 912865, 5659763, 28298815]

約数ペア:

[(1, 28298815), (5, 5659763), (31, 912865), (41, 690215), (61, 463915), (73, 387655), (155, 182573), (205, 138043), (305, 92783), (365, 77531), (1271, 22265), (1891, 14965), (2263, 12505), (2501, 11315), (2993, 9455), (4453, 6355)]