78021916

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{12841}}^1$

素因数の和:12890

約数の個数: 36

約数和(自身を含む): 163966656

約数和(自身を除く): 85944740

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 6076, 12841, 25682, 51364, 89887, 179774, 359548, 398071, 629209, 796142, 1258418, 1592284, 2516836, 2786497, 5572994, 11145988, 19505479, 39010958, 78021916]

約数ペア:

[(1, 78021916), (2, 39010958), (4, 19505479), (7, 11145988), (14, 5572994), (28, 2786497), (31, 2516836), (49, 1592284), (62, 1258418), (98, 796142), (124, 629209), (196, 398071), (217, 359548), (434, 179774), (868, 89887), (1519, 51364), (3038, 25682), (6076, 12841)]