671832172

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1699}}^1$

素因数の和:1787

約数の個数: 72

約数和(自身を含む): 1392776000

約数和(自身を除く): 720943828

約数列:

[1, 2, 4, 11, 19, 22, 38, 43, 44, 76, 86, 121, 172, 209, 242, 418, 473, 484, 817, 836, 946, 1634, 1699, 1892, 2299, 3268, 3398, 4598, 5203, 6796, 8987, 9196, 10406, 17974, 18689, 20812, 32281, 35948, 37378, 64562, 73057, 74756, 98857, 129124, 146114, 197714, 205579, 292228, 355091, 395428, 411158, 710182, 803627, 822316, 1388083, 1420364, 1607254, 2776166, 3214508, 3906001, 5552332, 7812002, 8839897, 15268913, 15624004, 17679794, 30537826, 35359588, 61075652, 167958043, 335916086, 671832172]

約数ペア:

[(1, 671832172), (2, 335916086), (4, 167958043), (11, 61075652), (19, 35359588), (22, 30537826), (38, 17679794), (43, 15624004), (44, 15268913), (76, 8839897), (86, 7812002), (121, 5552332), (172, 3906001), (209, 3214508), (242, 2776166), (418, 1607254), (473, 1420364), (484, 1388083), (817, 822316), (836, 803627), (946, 710182), (1634, 411158), (1699, 395428), (1892, 355091), (2299, 292228), (3268, 205579), (3398, 197714), (4598, 146114), (5203, 129124), (6796, 98857), (8987, 74756), (9196, 73057), (10406, 64562), (17974, 37378), (18689, 35948), (20812, 32281)]