31217872

素因数分解:

$2^4\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1321}}^1$

素因数の和:1547

約数の個数: 40

約数和(自身を含む): 69505472

約数和(自身を除く): 38287600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 211, 422, 844, 1321, 1477, 1688, 2642, 2954, 3376, 5284, 5908, 9247, 10568, 11816, 18494, 21136, 23632, 36988, 73976, 147952, 278731, 557462, 1114924, 1951117, 2229848, 3902234, 4459696, 7804468, 15608936, 31217872]

約数ペア:

[(1, 31217872), (2, 15608936), (4, 7804468), (7, 4459696), (8, 3902234), (14, 2229848), (16, 1951117), (28, 1114924), (56, 557462), (112, 278731), (211, 147952), (422, 73976), (844, 36988), (1321, 23632), (1477, 21136), (1688, 18494), (2642, 11816), (2954, 10568), (3376, 9247), (5284, 5908)]