1813887978

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{769}}^1$

素因数の和:972

約数の個数: 96

約数和(自身を含む): 4322989440

約数和(自身を除く): 2509101462

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 71, 98, 113, 142, 147, 213, 226, 294, 339, 426, 497, 678, 769, 791, 994, 1491, 1538, 1582, 2307, 2373, 2982, 3479, 4614, 4746, 5383, 5537, 6958, 8023, 10437, 10766, 11074, 16046, 16149, 16611, 20874, 24069, 32298, 33222, 37681, 48138, 54599, 56161, 75362, 86897, 109198, 112322, 113043, 163797, 168483, 173794, 226086, 260691, 327594, 336966, 382193, 393127, 521382, 608279, 764386, 786254, 1146579, 1179381, 1216558, 1824837, 2293158, 2358762, 2675351, 3649674, 4257953, 5350702, 6169687, 8026053, 8515906, 12339374, 12773859, 16052106, 18509061, 25547718, 37018122, 43187809, 86375618, 129563427, 259126854, 302314663, 604629326, 906943989, 1813887978]

約数ペア:

[(1, 1813887978), (2, 906943989), (3, 604629326), (6, 302314663), (7, 259126854), (14, 129563427), (21, 86375618), (42, 43187809), (49, 37018122), (71, 25547718), (98, 18509061), (113, 16052106), (142, 12773859), (147, 12339374), (213, 8515906), (226, 8026053), (294, 6169687), (339, 5350702), (426, 4257953), (497, 3649674), (678, 2675351), (769, 2358762), (791, 2293158), (994, 1824837), (1491, 1216558), (1538, 1179381), (1582, 1146579), (2307, 786254), (2373, 764386), (2982, 608279), (3479, 521382), (4614, 393127), (4746, 382193), (5383, 336966), (5537, 327594), (6958, 260691), (8023, 226086), (10437, 173794), (10766, 168483), (11074, 163797), (16046, 113043), (16149, 112322), (16611, 109198), (20874, 86897), (24069, 75362), (32298, 56161), (33222, 54599), (37681, 48138)]