42120988

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:363

約数の個数: 72

約数和(自身を含む): 94202304

約数和(自身を除く): 52081316

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 61, 91, 98, 122, 182, 196, 244, 271, 364, 427, 542, 637, 793, 854, 1084, 1274, 1586, 1708, 1897, 2548, 2989, 3172, 3523, 3794, 5551, 5978, 7046, 7588, 11102, 11956, 13279, 14092, 16531, 22204, 24661, 26558, 33062, 38857, 49322, 53116, 66124, 77714, 98644, 115717, 155428, 172627, 214903, 231434, 345254, 429806, 462868, 690508, 810019, 859612, 1504321, 1620038, 3008642, 3240076, 6017284, 10530247, 21060494, 42120988]

約数ペア:

[(1, 42120988), (2, 21060494), (4, 10530247), (7, 6017284), (13, 3240076), (14, 3008642), (26, 1620038), (28, 1504321), (49, 859612), (52, 810019), (61, 690508), (91, 462868), (98, 429806), (122, 345254), (182, 231434), (196, 214903), (244, 172627), (271, 155428), (364, 115717), (427, 98644), (542, 77714), (637, 66124), (793, 53116), (854, 49322), (1084, 38857), (1274, 33062), (1586, 26558), (1708, 24661), (1897, 22204), (2548, 16531), (2989, 14092), (3172, 13279), (3523, 11956), (3794, 11102), (5551, 7588), (5978, 7046)]