28059928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 61236000

約数和(自身を除く): 33176072

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 59, 68, 104, 118, 136, 221, 236, 269, 442, 472, 538, 767, 884, 1003, 1076, 1534, 1768, 2006, 2152, 3068, 3497, 4012, 4573, 6136, 6994, 8024, 9146, 13039, 13988, 15871, 18292, 26078, 27976, 31742, 36584, 52156, 59449, 63484, 104312, 118898, 126968, 206323, 237796, 269807, 412646, 475592, 539614, 825292, 1079228, 1650584, 2158456, 3507491, 7014982, 14029964, 28059928]

約数ペア:

[(1, 28059928), (2, 14029964), (4, 7014982), (8, 3507491), (13, 2158456), (17, 1650584), (26, 1079228), (34, 825292), (52, 539614), (59, 475592), (68, 412646), (104, 269807), (118, 237796), (136, 206323), (221, 126968), (236, 118898), (269, 104312), (442, 63484), (472, 59449), (538, 52156), (767, 36584), (884, 31742), (1003, 27976), (1076, 26078), (1534, 18292), (1768, 15871), (2006, 13988), (2152, 13039), (3068, 9146), (3497, 8024), (4012, 6994), (4573, 6136)]