128277492

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{269}}^1\times {\mathrm{811}}^1$

素因数の和:1101

約数の個数: 72

約数和(自身を含む): 349907040

約数和(自身を除く): 221629548

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 269, 294, 538, 588, 807, 811, 1076, 1614, 1622, 1883, 2433, 3228, 3244, 3766, 4866, 5649, 5677, 7532, 9732, 11298, 11354, 13181, 17031, 22596, 22708, 26362, 34062, 39543, 39739, 52724, 68124, 79086, 79478, 119217, 158172, 158956, 218159, 238434, 436318, 476868, 654477, 872636, 1308954, 1527113, 2617908, 3054226, 4581339, 6108452, 9162678, 10689791, 18325356, 21379582, 32069373, 42759164, 64138746, 128277492]

約数ペア:

[(1, 128277492), (2, 64138746), (3, 42759164), (4, 32069373), (6, 21379582), (7, 18325356), (12, 10689791), (14, 9162678), (21, 6108452), (28, 4581339), (42, 3054226), (49, 2617908), (84, 1527113), (98, 1308954), (147, 872636), (196, 654477), (269, 476868), (294, 436318), (538, 238434), (588, 218159), (807, 158956), (811, 158172), (1076, 119217), (1614, 79478), (1622, 79086), (1883, 68124), (2433, 52724), (3228, 39739), (3244, 39543), (3766, 34062), (4866, 26362), (5649, 22708), (5677, 22596), (7532, 17031), (9732, 13181), (11298, 11354)]