15687600964

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{857}}^1\times {\mathrm{21089}}^1$

素因数の和:21988

約数の個数: 48

約数和(自身を含む): 32426634240

約数和(自身を除く): 16739033276

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 857, 868, 1714, 3428, 5999, 11998, 21089, 23996, 26567, 42178, 53134, 84356, 106268, 147623, 185969, 295246, 371938, 590492, 653759, 743876, 1307518, 2615036, 4576313, 9152626, 18073273, 18305252, 36146546, 72293092, 126512911, 253025822, 506051644, 560271463, 1120542926, 2241085852, 3921900241, 7843800482, 15687600964]

約数ペア:

[(1, 15687600964), (2, 7843800482), (4, 3921900241), (7, 2241085852), (14, 1120542926), (28, 560271463), (31, 506051644), (62, 253025822), (124, 126512911), (217, 72293092), (434, 36146546), (857, 18305252), (868, 18073273), (1714, 9152626), (3428, 4576313), (5999, 2615036), (11998, 1307518), (21089, 743876), (23996, 653759), (26567, 590492), (42178, 371938), (53134, 295246), (84356, 185969), (106268, 147623)]