816975385

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1\times {\mathrm{383}}^1$

素因数の和:777

約数の個数: 32

約数和(自身を含む): 1041776640

約数和(自身を除く): 224801255

約数列:

[1, 5, 29, 47, 145, 235, 313, 383, 1363, 1565, 1915, 6815, 9077, 11107, 14711, 18001, 45385, 55535, 73555, 90005, 119879, 426619, 522029, 599395, 2133095, 2610145, 3476491, 5634313, 17382455, 28171565, 163395077, 816975385]

約数ペア:

[(1, 816975385), (5, 163395077), (29, 28171565), (47, 17382455), (145, 5634313), (235, 3476491), (313, 2610145), (383, 2133095), (1363, 599395), (1565, 522029), (1915, 426619), (6815, 119879), (9077, 90005), (11107, 73555), (14711, 55535), (18001, 45385)]