64936245

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 120434688

約数和(自身を除く): 55498443

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 71, 115, 165, 213, 241, 253, 345, 355, 723, 759, 781, 1065, 1205, 1265, 1633, 2343, 2651, 3615, 3795, 3905, 4899, 5543, 7953, 8165, 11715, 13255, 16629, 17111, 17963, 24495, 27715, 39765, 51333, 53889, 60973, 83145, 85555, 89815, 182919, 188221, 256665, 269445, 304865, 393553, 564663, 914595, 941105, 1180659, 1967765, 2823315, 4329083, 5903295, 12987249, 21645415, 64936245]

約数ペア:

[(1, 64936245), (3, 21645415), (5, 12987249), (11, 5903295), (15, 4329083), (23, 2823315), (33, 1967765), (55, 1180659), (69, 941105), (71, 914595), (115, 564663), (165, 393553), (213, 304865), (241, 269445), (253, 256665), (345, 188221), (355, 182919), (723, 89815), (759, 85555), (781, 83145), (1065, 60973), (1205, 53889), (1265, 51333), (1633, 39765), (2343, 27715), (2651, 24495), (3615, 17963), (3795, 17111), (3905, 16629), (4899, 13255), (5543, 11715), (7953, 8165)]