172980808

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21601}}^1$

素因数の和:21638

約数の個数: 64

約数和(自身を含む): 435496320

約数和(自身を除く): 262515512

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 4004, 8008, 21601, 43202, 86404, 151207, 172808, 237611, 280813, 302414, 475222, 561626, 604828, 950444, 1123252, 1209656, 1663277, 1900888, 1965691, 2246504, 3088943, 3326554, 3931382, 6177886, 6653108, 7862764, 12355772, 13306216, 15725528, 21622601, 24711544, 43245202, 86490404, 172980808]

約数ペア:

[(1, 172980808), (2, 86490404), (4, 43245202), (7, 24711544), (8, 21622601), (11, 15725528), (13, 13306216), (14, 12355772), (22, 7862764), (26, 6653108), (28, 6177886), (44, 3931382), (52, 3326554), (56, 3088943), (77, 2246504), (88, 1965691), (91, 1900888), (104, 1663277), (143, 1209656), (154, 1123252), (182, 950444), (286, 604828), (308, 561626), (364, 475222), (572, 302414), (616, 280813), (728, 237611), (1001, 172808), (1144, 151207), (2002, 86404), (4004, 43202), (8008, 21601)]