178849788

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1193}}^1$

素因数の和:1275

約数の個数: 72

約数和(自身を含む): 464771664

約数和(自身を除く): 285921876

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 961, 1193, 1209, 1612, 1922, 2386, 2418, 2883, 3579, 3844, 4772, 4836, 5766, 7158, 11532, 12493, 14316, 15509, 24986, 31018, 36983, 37479, 46527, 49972, 62036, 73966, 74958, 93054, 110949, 147932, 149916, 186108, 221898, 443796, 480779, 961558, 1146473, 1442337, 1923116, 2292946, 2884674, 3439419, 4585892, 5769348, 6878838, 13757676, 14904149, 29808298, 44712447, 59616596, 89424894, 178849788]

約数ペア:

[(1, 178849788), (2, 89424894), (3, 59616596), (4, 44712447), (6, 29808298), (12, 14904149), (13, 13757676), (26, 6878838), (31, 5769348), (39, 4585892), (52, 3439419), (62, 2884674), (78, 2292946), (93, 1923116), (124, 1442337), (156, 1146473), (186, 961558), (372, 480779), (403, 443796), (806, 221898), (961, 186108), (1193, 149916), (1209, 147932), (1612, 110949), (1922, 93054), (2386, 74958), (2418, 73966), (2883, 62036), (3579, 49972), (3844, 46527), (4772, 37479), (4836, 36983), (5766, 31018), (7158, 24986), (11532, 15509), (12493, 14316)]