128959572

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{3089}}^1$

素因数の和:3181

約数の個数: 72

約数和(自身を含む): 355078080

約数和(自身を除く): 226118508

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 71, 84, 98, 142, 147, 196, 213, 284, 294, 426, 497, 588, 852, 994, 1491, 1988, 2982, 3089, 3479, 5964, 6178, 6958, 9267, 10437, 12356, 13916, 18534, 20874, 21623, 37068, 41748, 43246, 64869, 86492, 129738, 151361, 219319, 259476, 302722, 438638, 454083, 605444, 657957, 877276, 908166, 1315914, 1535233, 1816332, 2631828, 3070466, 4605699, 6140932, 9211398, 10746631, 18422796, 21493262, 32239893, 42986524, 64479786, 128959572]

約数ペア:

[(1, 128959572), (2, 64479786), (3, 42986524), (4, 32239893), (6, 21493262), (7, 18422796), (12, 10746631), (14, 9211398), (21, 6140932), (28, 4605699), (42, 3070466), (49, 2631828), (71, 1816332), (84, 1535233), (98, 1315914), (142, 908166), (147, 877276), (196, 657957), (213, 605444), (284, 454083), (294, 438638), (426, 302722), (497, 259476), (588, 219319), (852, 151361), (994, 129738), (1491, 86492), (1988, 64869), (2982, 43246), (3089, 41748), (3479, 37068), (5964, 21623), (6178, 20874), (6958, 18534), (9267, 13916), (10437, 12356)]