219587508

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{28109}}^1$

素因数の和:28157

約数の個数: 72

約数和(自身を含む): 654850560

約数和(自身を除く): 435263052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906, 7812, 28109, 56218, 84327, 112436, 168654, 196763, 252981, 337308, 393526, 505962, 590289, 787052, 871379, 1011924, 1180578, 1742758, 1770867, 2361156, 2614137, 3485516, 3541734, 5228274, 6099653, 7083468, 7842411, 10456548, 12199306, 15684822, 18298959, 24398612, 31369644, 36597918, 54896877, 73195836, 109793754, 219587508]

約数ペア:

[(1, 219587508), (2, 109793754), (3, 73195836), (4, 54896877), (6, 36597918), (7, 31369644), (9, 24398612), (12, 18298959), (14, 15684822), (18, 12199306), (21, 10456548), (28, 7842411), (31, 7083468), (36, 6099653), (42, 5228274), (62, 3541734), (63, 3485516), (84, 2614137), (93, 2361156), (124, 1770867), (126, 1742758), (186, 1180578), (217, 1011924), (252, 871379), (279, 787052), (372, 590289), (434, 505962), (558, 393526), (651, 337308), (868, 252981), (1116, 196763), (1302, 168654), (1953, 112436), (2604, 84327), (3906, 56218), (7812, 28109)]