28780024

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3041}}^1$

素因数の和:3080

約数の個数: 48

約数和(自身を含む): 66802320

約数和(自身を除く): 38022296

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 169, 182, 338, 364, 676, 728, 1183, 1352, 2366, 3041, 4732, 6082, 9464, 12164, 21287, 24328, 39533, 42574, 79066, 85148, 158132, 170296, 276731, 316264, 513929, 553462, 1027858, 1106924, 2055716, 2213848, 3597503, 4111432, 7195006, 14390012, 28780024]

約数ペア:

[(1, 28780024), (2, 14390012), (4, 7195006), (7, 4111432), (8, 3597503), (13, 2213848), (14, 2055716), (26, 1106924), (28, 1027858), (52, 553462), (56, 513929), (91, 316264), (104, 276731), (169, 170296), (182, 158132), (338, 85148), (364, 79066), (676, 42574), (728, 39533), (1183, 24328), (1352, 21287), (2366, 12164), (3041, 9464), (4732, 6082)]