77971348

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:533

約数の個数: 72

約数和(自身を含む): 173746944

約数和(自身を除く): 95775596

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 71, 91, 98, 142, 182, 196, 284, 364, 431, 497, 637, 862, 923, 994, 1274, 1724, 1846, 1988, 2548, 3017, 3479, 3692, 5603, 6034, 6461, 6958, 11206, 12068, 12922, 13916, 21119, 22412, 25844, 30601, 39221, 42238, 45227, 61202, 78442, 84476, 90454, 122404, 156884, 180908, 214207, 274547, 397813, 428414, 549094, 795626, 856828, 1098188, 1499449, 1591252, 2784691, 2998898, 5569382, 5997796, 11138764, 19492837, 38985674, 77971348]

約数ペア:

[(1, 77971348), (2, 38985674), (4, 19492837), (7, 11138764), (13, 5997796), (14, 5569382), (26, 2998898), (28, 2784691), (49, 1591252), (52, 1499449), (71, 1098188), (91, 856828), (98, 795626), (142, 549094), (182, 428414), (196, 397813), (284, 274547), (364, 214207), (431, 180908), (497, 156884), (637, 122404), (862, 90454), (923, 84476), (994, 78442), (1274, 61202), (1724, 45227), (1846, 42238), (1988, 39221), (2548, 30601), (3017, 25844), (3479, 22412), (3692, 21119), (5603, 13916), (6034, 12922), (6461, 12068), (6958, 11206)]