78400352

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{251}}^1$

素因数の和:531

約数の個数: 48

約数和(自身を含む): 159268032

約数和(自身を除く): 80867680

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 227, 251, 344, 454, 502, 688, 908, 1004, 1376, 1816, 2008, 3632, 4016, 7264, 8032, 9761, 10793, 19522, 21586, 39044, 43172, 56977, 78088, 86344, 113954, 156176, 172688, 227908, 312352, 345376, 455816, 911632, 1823264, 2450011, 4900022, 9800044, 19600088, 39200176, 78400352]

約数ペア:

[(1, 78400352), (2, 39200176), (4, 19600088), (8, 9800044), (16, 4900022), (32, 2450011), (43, 1823264), (86, 911632), (172, 455816), (227, 345376), (251, 312352), (344, 227908), (454, 172688), (502, 156176), (688, 113954), (908, 86344), (1004, 78088), (1376, 56977), (1816, 43172), (2008, 39044), (3632, 21586), (4016, 19522), (7264, 10793), (8032, 9761)]