178131772

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{2137}}^1$

素因数の和:2390

約数の個数: 48

約数和(自身を含む): 385524160

約数和(自身を除く): 207392388

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 229, 364, 458, 916, 1603, 2137, 2977, 3206, 4274, 5954, 6412, 8548, 11908, 14959, 20839, 27781, 29918, 41678, 55562, 59836, 83356, 111124, 194467, 388934, 489373, 777868, 978746, 1957492, 3425611, 6361849, 6851222, 12723698, 13702444, 25447396, 44532943, 89065886, 178131772]

約数ペア:

[(1, 178131772), (2, 89065886), (4, 44532943), (7, 25447396), (13, 13702444), (14, 12723698), (26, 6851222), (28, 6361849), (52, 3425611), (91, 1957492), (182, 978746), (229, 777868), (364, 489373), (458, 388934), (916, 194467), (1603, 111124), (2137, 83356), (2977, 59836), (3206, 55562), (4274, 41678), (5954, 29918), (6412, 27781), (8548, 20839), (11908, 14959)]