31684744

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{613}}^1$

素因数の和:710

約数の個数: 64

約数和(自身を含む): 74269440

約数和(自身を除く): 42584696

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 71, 91, 104, 142, 182, 284, 364, 497, 568, 613, 728, 923, 994, 1226, 1846, 1988, 2452, 3692, 3976, 4291, 4904, 6461, 7384, 7969, 8582, 12922, 15938, 17164, 25844, 31876, 34328, 43523, 51688, 55783, 63752, 87046, 111566, 174092, 223132, 304661, 348184, 446264, 565799, 609322, 1131598, 1218644, 2263196, 2437288, 3960593, 4526392, 7921186, 15842372, 31684744]

約数ペア:

[(1, 31684744), (2, 15842372), (4, 7921186), (7, 4526392), (8, 3960593), (13, 2437288), (14, 2263196), (26, 1218644), (28, 1131598), (52, 609322), (56, 565799), (71, 446264), (91, 348184), (104, 304661), (142, 223132), (182, 174092), (284, 111566), (364, 87046), (497, 63752), (568, 55783), (613, 51688), (728, 43523), (923, 34328), (994, 31876), (1226, 25844), (1846, 17164), (1988, 15938), (2452, 12922), (3692, 8582), (3976, 7969), (4291, 7384), (4904, 6461)]