3948243544

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:441

約数の個数: 128

約数和(自身を含む): 8879431680

約数和(自身を除く): 4931188136

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 71, 73, 122, 142, 146, 223, 244, 284, 292, 427, 446, 488, 497, 511, 568, 584, 854, 892, 994, 1022, 1561, 1708, 1784, 1988, 2044, 3122, 3416, 3976, 4088, 4331, 4453, 5183, 6244, 8662, 8906, 10366, 12488, 13603, 15833, 16279, 17324, 17812, 20732, 27206, 30317, 31171, 31666, 32558, 34648, 35624, 36281, 41464, 54412, 60634, 62342, 63332, 65116, 72562, 95221, 108824, 110831, 113953, 121268, 124684, 126664, 130232, 145124, 190442, 221662, 227906, 242536, 249368, 290248, 316163, 380884, 443324, 455812, 632326, 761768, 886648, 911624, 965813, 993019, 1155809, 1264652, 1931626, 1986038, 2213141, 2311618, 2529304, 3863252, 3972076, 4426282, 4623236, 6760691, 6951133, 7726504, 7944152, 8090663, 8852564, 9246472, 13521382, 13902266, 16181326, 17705128, 27042764, 27804532, 32362652, 54085528, 55609064, 64725304, 70504349, 141008698, 282017396, 493530443, 564034792, 987060886, 1974121772, 3948243544]

約数ペア:

[(1, 3948243544), (2, 1974121772), (4, 987060886), (7, 564034792), (8, 493530443), (14, 282017396), (28, 141008698), (56, 70504349), (61, 64725304), (71, 55609064), (73, 54085528), (122, 32362652), (142, 27804532), (146, 27042764), (223, 17705128), (244, 16181326), (284, 13902266), (292, 13521382), (427, 9246472), (446, 8852564), (488, 8090663), (497, 7944152), (511, 7726504), (568, 6951133), (584, 6760691), (854, 4623236), (892, 4426282), (994, 3972076), (1022, 3863252), (1561, 2529304), (1708, 2311618), (1784, 2213141), (1988, 1986038), (2044, 1931626), (3122, 1264652), (3416, 1155809), (3976, 993019), (4088, 965813), (4331, 911624), (4453, 886648), (5183, 761768), (6244, 632326), (8662, 455812), (8906, 443324), (10366, 380884), (12488, 316163), (13603, 290248), (15833, 249368), (16279, 242536), (17324, 227906), (17812, 221662), (20732, 190442), (27206, 145124), (30317, 130232), (31171, 126664), (31666, 124684), (32558, 121268), (34648, 113953), (35624, 110831), (36281, 108824), (41464, 95221), (54412, 72562), (60634, 65116), (62342, 63332)]