28221175

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:160

約数の個数: 36

約数和(自身を含む): 38267640

約数和(自身を除く): 10046465

約数列:

[1, 5, 19, 25, 53, 59, 95, 265, 295, 361, 475, 1007, 1121, 1325, 1475, 1805, 3127, 5035, 5605, 9025, 15635, 19133, 21299, 25175, 28025, 59413, 78175, 95665, 106495, 297065, 478325, 532475, 1128847, 1485325, 5644235, 28221175]

約数ペア:

[(1, 28221175), (5, 5644235), (19, 1485325), (25, 1128847), (53, 532475), (59, 478325), (95, 297065), (265, 106495), (295, 95665), (361, 78175), (475, 59413), (1007, 28025), (1121, 25175), (1325, 21299), (1475, 19133), (1805, 15635), (3127, 9025), (5035, 5605)]