161231906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1\times {\mathrm{379}}^1$

素因数の和:770

約数の個数: 32

約数和(自身を含む): 269714880

約数和(自身を除く): 108482974

約数列:

[1, 2, 11, 22, 61, 122, 317, 379, 634, 671, 758, 1342, 3487, 4169, 6974, 8338, 19337, 23119, 38674, 46238, 120143, 212707, 240286, 254309, 425414, 508618, 1321573, 2643146, 7328723, 14657446, 80615953, 161231906]

約数ペア:

[(1, 161231906), (2, 80615953), (11, 14657446), (22, 7328723), (61, 2643146), (122, 1321573), (317, 508618), (379, 425414), (634, 254309), (671, 240286), (758, 212707), (1342, 120143), (3487, 46238), (4169, 38674), (6974, 23119), (8338, 19337)]