30161428

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{617}}^1$

素因数の和:744

約数の個数: 36

約数和(自身を含む): 58686516

約数和(自身を除く): 28525088

約数列:

[1, 2, 4, 11, 22, 44, 101, 121, 202, 242, 404, 484, 617, 1111, 1234, 2222, 2468, 4444, 6787, 12221, 13574, 24442, 27148, 48884, 62317, 74657, 124634, 149314, 249268, 298628, 685487, 1370974, 2741948, 7540357, 15080714, 30161428]

約数ペア:

[(1, 30161428), (2, 15080714), (4, 7540357), (11, 2741948), (22, 1370974), (44, 685487), (101, 298628), (121, 249268), (202, 149314), (242, 124634), (404, 74657), (484, 62317), (617, 48884), (1111, 27148), (1234, 24442), (2222, 13574), (2468, 12221), (4444, 6787)]