78980915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 105670656

約数和(自身を除く): 26689741

約数列:

[1, 5, 13, 47, 65, 103, 235, 251, 515, 611, 1255, 1339, 3055, 3263, 4841, 6695, 11797, 16315, 24205, 25853, 58985, 62933, 129265, 153361, 314665, 336089, 766805, 1215091, 1680445, 6075455, 15796183, 78980915]

約数ペア:

[(1, 78980915), (5, 15796183), (13, 6075455), (47, 1680445), (65, 1215091), (103, 766805), (235, 336089), (251, 314665), (515, 153361), (611, 129265), (1255, 62933), (1339, 58985), (3055, 25853), (3263, 24205), (4841, 16315), (6695, 11797)]