31213196

素因数分解:

$2^2\times 7^2\times {\mathrm{163}}^1\times {\mathrm{977}}^1$

素因数の和:1158

約数の個数: 36

約数和(自身を含む): 63996408

約数和(自身を除く): 32783212

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 163, 196, 326, 652, 977, 1141, 1954, 2282, 3908, 4564, 6839, 7987, 13678, 15974, 27356, 31948, 47873, 95746, 159251, 191492, 318502, 637004, 1114757, 2229514, 4459028, 7803299, 15606598, 31213196]

約数ペア:

[(1, 31213196), (2, 15606598), (4, 7803299), (7, 4459028), (14, 2229514), (28, 1114757), (49, 637004), (98, 318502), (163, 191492), (196, 159251), (326, 95746), (652, 47873), (977, 31948), (1141, 27356), (1954, 15974), (2282, 13678), (3908, 7987), (4564, 6839)]