31387972

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1009}}^1$

素因数の和:1132

約数の個数: 48

約数和(自身を含む): 69229440

約数和(自身を除く): 37841468

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 101, 154, 202, 308, 404, 707, 1009, 1111, 1414, 2018, 2222, 2828, 4036, 4444, 7063, 7777, 11099, 14126, 15554, 22198, 28252, 31108, 44396, 77693, 101909, 155386, 203818, 310772, 407636, 713363, 1120999, 1426726, 2241998, 2853452, 4483996, 7846993, 15693986, 31387972]

約数ペア:

[(1, 31387972), (2, 15693986), (4, 7846993), (7, 4483996), (11, 2853452), (14, 2241998), (22, 1426726), (28, 1120999), (44, 713363), (77, 407636), (101, 310772), (154, 203818), (202, 155386), (308, 101909), (404, 77693), (707, 44396), (1009, 31108), (1111, 28252), (1414, 22198), (2018, 15554), (2222, 14126), (2828, 11099), (4036, 7777), (4444, 7063)]