643188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:77

約数の個数: 96

約数和(自身を含む): 2007040

約数和(自身を除く): 1363852

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 31, 38, 39, 42, 52, 57, 62, 76, 78, 84, 91, 93, 114, 124, 133, 156, 182, 186, 217, 228, 247, 266, 273, 364, 372, 399, 403, 434, 494, 532, 546, 589, 651, 741, 798, 806, 868, 988, 1092, 1178, 1209, 1302, 1482, 1596, 1612, 1729, 1767, 2356, 2418, 2604, 2821, 2964, 3458, 3534, 4123, 4836, 5187, 5642, 6916, 7068, 7657, 8246, 8463, 10374, 11284, 12369, 15314, 16492, 16926, 20748, 22971, 24738, 30628, 33852, 45942, 49476, 53599, 91884, 107198, 160797, 214396, 321594, 643188]

約数ペア:

[(1, 643188), (2, 321594), (3, 214396), (4, 160797), (6, 107198), (7, 91884), (12, 53599), (13, 49476), (14, 45942), (19, 33852), (21, 30628), (26, 24738), (28, 22971), (31, 20748), (38, 16926), (39, 16492), (42, 15314), (52, 12369), (57, 11284), (62, 10374), (76, 8463), (78, 8246), (84, 7657), (91, 7068), (93, 6916), (114, 5642), (124, 5187), (133, 4836), (156, 4123), (182, 3534), (186, 3458), (217, 2964), (228, 2821), (247, 2604), (266, 2418), (273, 2356), (364, 1767), (372, 1729), (399, 1612), (403, 1596), (434, 1482), (494, 1302), (532, 1209), (546, 1178), (589, 1092), (651, 988), (741, 868), (798, 806)]