648317072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{857}}^1\times {\mathrm{3637}}^1$

素因数の和:4515

約数の個数: 40

約数和(自身を含む): 1354689336

約数和(自身を除く): 706372264

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 857, 1714, 3428, 3637, 6856, 7274, 11141, 13712, 14548, 22282, 29096, 44564, 47281, 58192, 89128, 94562, 178256, 189124, 378248, 756496, 3116909, 6233818, 12467636, 24935272, 40519817, 49870544, 81039634, 162079268, 324158536, 648317072]

約数ペア:

[(1, 648317072), (2, 324158536), (4, 162079268), (8, 81039634), (13, 49870544), (16, 40519817), (26, 24935272), (52, 12467636), (104, 6233818), (208, 3116909), (857, 756496), (1714, 378248), (3428, 189124), (3637, 178256), (6856, 94562), (7274, 89128), (11141, 58192), (13712, 47281), (14548, 44564), (22282, 29096)]