128961924

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{16871}}^1$

素因数の和:16905

約数の個数: 72

約数和(自身を含む): 376987968

約数和(自身を除く): 248026044

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 3822, 7644, 16871, 33742, 50613, 67484, 101226, 118097, 202452, 219323, 236194, 354291, 438646, 472388, 657969, 708582, 826679, 877292, 1315938, 1417164, 1535261, 1653358, 2480037, 2631876, 3070522, 3306716, 4605783, 4960074, 6141044, 9211566, 9920148, 10746827, 18423132, 21493654, 32240481, 42987308, 64480962, 128961924]

約数ペア:

[(1, 128961924), (2, 64480962), (3, 42987308), (4, 32240481), (6, 21493654), (7, 18423132), (12, 10746827), (13, 9920148), (14, 9211566), (21, 6141044), (26, 4960074), (28, 4605783), (39, 3306716), (42, 3070522), (49, 2631876), (52, 2480037), (78, 1653358), (84, 1535261), (91, 1417164), (98, 1315938), (147, 877292), (156, 826679), (182, 708582), (196, 657969), (273, 472388), (294, 438646), (364, 354291), (546, 236194), (588, 219323), (637, 202452), (1092, 118097), (1274, 101226), (1911, 67484), (2548, 50613), (3822, 33742), (7644, 16871)]