31004428

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4483}}^1$

素因数の和:4526

約数の個数: 48

約数和(自身を含む): 70309120

約数和(自身を除く): 39304692

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 3458, 4483, 6916, 8966, 17932, 31381, 58279, 62762, 85177, 116558, 125524, 170354, 233116, 340708, 407953, 596239, 815906, 1107301, 1192478, 1631812, 2214602, 2384956, 4429204, 7751107, 15502214, 31004428]

約数ペア:

[(1, 31004428), (2, 15502214), (4, 7751107), (7, 4429204), (13, 2384956), (14, 2214602), (19, 1631812), (26, 1192478), (28, 1107301), (38, 815906), (52, 596239), (76, 407953), (91, 340708), (133, 233116), (182, 170354), (247, 125524), (266, 116558), (364, 85177), (494, 62762), (532, 58279), (988, 31381), (1729, 17932), (3458, 8966), (4483, 6916)]