28805665

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 41287680

約数和(自身を除く): 12482015

約数列:

[1, 5, 7, 31, 35, 139, 155, 191, 217, 695, 955, 973, 1085, 1337, 4309, 4865, 5921, 6685, 21545, 26549, 29605, 30163, 41447, 132745, 150815, 185843, 207235, 823019, 929215, 4115095, 5761133, 28805665]

約数ペア:

[(1, 28805665), (5, 5761133), (7, 4115095), (31, 929215), (35, 823019), (139, 207235), (155, 185843), (191, 150815), (217, 132745), (695, 41447), (955, 30163), (973, 29605), (1085, 26549), (1337, 21545), (4309, 6685), (4865, 5921)]