256607888944

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{219281}}^1$

素因数の和:219470

約数の個数: 80

約数和(自身を含む): 556327205280

約数和(自身を除く): 299719316336

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 61, 88, 109, 122, 176, 218, 244, 436, 488, 671, 872, 976, 1199, 1342, 1744, 2398, 2684, 4796, 5368, 6649, 9592, 10736, 13298, 19184, 26596, 53192, 73139, 106384, 146278, 219281, 292556, 438562, 585112, 877124, 1170224, 1754248, 2412091, 3508496, 4824182, 9648364, 13376141, 19296728, 23901629, 26752282, 38593456, 47803258, 53504564, 95606516, 107009128, 147137551, 191213032, 214018256, 262917919, 294275102, 382426064, 525835838, 588550204, 1051671676, 1177100408, 1457999369, 2103343352, 2354200816, 2915998738, 4206686704, 5831997476, 11663994952, 16037993059, 23327989904, 32075986118, 64151972236, 128303944472, 256607888944]

約数ペア:

[(1, 256607888944), (2, 128303944472), (4, 64151972236), (8, 32075986118), (11, 23327989904), (16, 16037993059), (22, 11663994952), (44, 5831997476), (61, 4206686704), (88, 2915998738), (109, 2354200816), (122, 2103343352), (176, 1457999369), (218, 1177100408), (244, 1051671676), (436, 588550204), (488, 525835838), (671, 382426064), (872, 294275102), (976, 262917919), (1199, 214018256), (1342, 191213032), (1744, 147137551), (2398, 107009128), (2684, 95606516), (4796, 53504564), (5368, 47803258), (6649, 38593456), (9592, 26752282), (10736, 23901629), (13298, 19296728), (19184, 13376141), (26596, 9648364), (53192, 4824182), (73139, 3508496), (106384, 2412091), (146278, 1754248), (219281, 1170224), (292556, 877124), (438562, 585112)]