256591764

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{49843}}^1$

素因数の和:49877

約数の個数: 72

約数和(自身を含む): 762015072

約数和(自身を除く): 505423308

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 5148, 49843, 99686, 149529, 199372, 299058, 448587, 548273, 598116, 647959, 897174, 1096546, 1295918, 1644819, 1794348, 1943877, 2193092, 2591836, 3289638, 3887754, 4934457, 5831631, 6579276, 7127549, 7775508, 9868914, 11663262, 14255098, 19737828, 21382647, 23326524, 28510196, 42765294, 64147941, 85530588, 128295882, 256591764]

約数ペア:

[(1, 256591764), (2, 128295882), (3, 85530588), (4, 64147941), (6, 42765294), (9, 28510196), (11, 23326524), (12, 21382647), (13, 19737828), (18, 14255098), (22, 11663262), (26, 9868914), (33, 7775508), (36, 7127549), (39, 6579276), (44, 5831631), (52, 4934457), (66, 3887754), (78, 3289638), (99, 2591836), (117, 2193092), (132, 1943877), (143, 1794348), (156, 1644819), (198, 1295918), (234, 1096546), (286, 897174), (396, 647959), (429, 598116), (468, 548273), (572, 448587), (858, 299058), (1287, 199372), (1716, 149529), (2574, 99686), (5148, 49843)]