686195356

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{337}}^1\times {\mathrm{601}}^1$

素因数の和:971

約数の個数: 72

約数和(自身を含む): 1515489248

約数和(自身を除く): 829293892

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 337, 484, 601, 674, 847, 1202, 1348, 1694, 2359, 2404, 3388, 3707, 4207, 4718, 6611, 7414, 8414, 9436, 13222, 14828, 16828, 25949, 26444, 40777, 46277, 51898, 72721, 81554, 92554, 103796, 145442, 163108, 185108, 202537, 285439, 290884, 405074, 509047, 570878, 810148, 1018094, 1141756, 1417759, 2036188, 2227907, 2835518, 4455814, 5671036, 8911628, 15595349, 24506977, 31190698, 49013954, 62381396, 98027908, 171548839, 343097678, 686195356]

約数ペア:

[(1, 686195356), (2, 343097678), (4, 171548839), (7, 98027908), (11, 62381396), (14, 49013954), (22, 31190698), (28, 24506977), (44, 15595349), (77, 8911628), (121, 5671036), (154, 4455814), (242, 2835518), (308, 2227907), (337, 2036188), (484, 1417759), (601, 1141756), (674, 1018094), (847, 810148), (1202, 570878), (1348, 509047), (1694, 405074), (2359, 290884), (2404, 285439), (3388, 202537), (3707, 185108), (4207, 163108), (4718, 145442), (6611, 103796), (7414, 92554), (8414, 81554), (9436, 72721), (13222, 51898), (14828, 46277), (16828, 40777), (25949, 26444)]