64658860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{2393}}^1$

素因数の和:2602

約数の個数: 48

約数和(自身を含む): 156050496

約数和(自身を除く): 91391636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 772, 965, 1351, 1930, 2393, 2702, 3860, 4786, 5404, 6755, 9572, 11965, 13510, 16751, 23930, 27020, 33502, 47860, 67004, 83755, 167510, 335020, 461849, 923698, 1847396, 2309245, 3232943, 4618490, 6465886, 9236980, 12931772, 16164715, 32329430, 64658860]

約数ペア:

[(1, 64658860), (2, 32329430), (4, 16164715), (5, 12931772), (7, 9236980), (10, 6465886), (14, 4618490), (20, 3232943), (28, 2309245), (35, 1847396), (70, 923698), (140, 461849), (193, 335020), (386, 167510), (772, 83755), (965, 67004), (1351, 47860), (1930, 33502), (2393, 27020), (2702, 23930), (3860, 16751), (4786, 13510), (5404, 11965), (6755, 9572)]