28314975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 51059232

約数和(自身を除く): 22744257

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 113, 195, 257, 325, 339, 565, 771, 975, 1285, 1469, 1695, 2825, 3341, 3855, 4407, 6425, 7345, 8475, 10023, 16705, 19275, 22035, 29041, 36725, 50115, 83525, 87123, 110175, 145205, 250575, 377533, 435615, 726025, 1132599, 1887665, 2178075, 5662995, 9438325, 28314975]

約数ペア:

[(1, 28314975), (3, 9438325), (5, 5662995), (13, 2178075), (15, 1887665), (25, 1132599), (39, 726025), (65, 435615), (75, 377533), (113, 250575), (195, 145205), (257, 110175), (325, 87123), (339, 83525), (565, 50115), (771, 36725), (975, 29041), (1285, 22035), (1469, 19275), (1695, 16705), (2825, 10023), (3341, 8475), (3855, 7345), (4407, 6425)]