128031176

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2477}}^1$

素因数の和:2574

約数の個数: 64

約数和(自身を含む): 299738880

約数和(自身を除く): 171707704

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 71, 91, 104, 142, 182, 284, 364, 497, 568, 728, 923, 994, 1846, 1988, 2477, 3692, 3976, 4954, 6461, 7384, 9908, 12922, 17339, 19816, 25844, 32201, 34678, 51688, 64402, 69356, 128804, 138712, 175867, 225407, 257608, 351734, 450814, 703468, 901628, 1231069, 1406936, 1803256, 2286271, 2462138, 4572542, 4924276, 9145084, 9848552, 16003897, 18290168, 32007794, 64015588, 128031176]

約数ペア:

[(1, 128031176), (2, 64015588), (4, 32007794), (7, 18290168), (8, 16003897), (13, 9848552), (14, 9145084), (26, 4924276), (28, 4572542), (52, 2462138), (56, 2286271), (71, 1803256), (91, 1406936), (104, 1231069), (142, 901628), (182, 703468), (284, 450814), (364, 351734), (497, 257608), (568, 225407), (728, 175867), (923, 138712), (994, 128804), (1846, 69356), (1988, 64402), (2477, 51688), (3692, 34678), (3976, 32201), (4954, 25844), (6461, 19816), (7384, 17339), (9908, 12922)]