256700444

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1051}}^1$

素因数の和:1147

約数の個数: 96

約数和(自身を含む): 613627392

約数和(自身を除く): 356926948

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 61, 77, 91, 122, 143, 154, 182, 244, 286, 308, 364, 427, 572, 671, 793, 854, 1001, 1051, 1342, 1586, 1708, 2002, 2102, 2684, 3172, 4004, 4204, 4697, 5551, 7357, 8723, 9394, 11102, 11561, 13663, 14714, 17446, 18788, 22204, 23122, 27326, 29428, 34892, 46244, 54652, 61061, 64111, 80927, 95641, 122122, 128222, 150293, 161854, 191282, 244244, 256444, 300586, 323708, 382564, 448777, 601172, 705221, 833443, 897554, 1052051, 1410442, 1666886, 1795108, 2104102, 2820884, 3333772, 4208204, 4936547, 5834101, 9167873, 9873094, 11668202, 18335746, 19746188, 23336404, 36671492, 64175111, 128350222, 256700444]

約数ペア:

[(1, 256700444), (2, 128350222), (4, 64175111), (7, 36671492), (11, 23336404), (13, 19746188), (14, 18335746), (22, 11668202), (26, 9873094), (28, 9167873), (44, 5834101), (52, 4936547), (61, 4208204), (77, 3333772), (91, 2820884), (122, 2104102), (143, 1795108), (154, 1666886), (182, 1410442), (244, 1052051), (286, 897554), (308, 833443), (364, 705221), (427, 601172), (572, 448777), (671, 382564), (793, 323708), (854, 300586), (1001, 256444), (1051, 244244), (1342, 191282), (1586, 161854), (1708, 150293), (2002, 128222), (2102, 122122), (2684, 95641), (3172, 80927), (4004, 64111), (4204, 61061), (4697, 54652), (5551, 46244), (7357, 34892), (8723, 29428), (9394, 27326), (11102, 23122), (11561, 22204), (13663, 18788), (14714, 17446)]