28418572

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{773}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 61895232

約数和(自身を除く): 33476660

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 101, 182, 202, 364, 404, 707, 773, 1313, 1414, 1546, 2626, 2828, 3092, 5252, 5411, 9191, 10049, 10822, 18382, 20098, 21644, 36764, 40196, 70343, 78073, 140686, 156146, 281372, 312292, 546511, 1014949, 1093022, 2029898, 2186044, 4059796, 7104643, 14209286, 28418572]

約数ペア:

[(1, 28418572), (2, 14209286), (4, 7104643), (7, 4059796), (13, 2186044), (14, 2029898), (26, 1093022), (28, 1014949), (52, 546511), (91, 312292), (101, 281372), (182, 156146), (202, 140686), (364, 78073), (404, 70343), (707, 40196), (773, 36764), (1313, 21644), (1414, 20098), (1546, 18382), (2626, 10822), (2828, 10049), (3092, 9191), (5252, 5411)]