123142292

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1559}}^1$

素因数の和:1621

約数の個数: 72

約数和(自身を含む): 278853120

約数和(自身を除く): 155710828

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 49, 52, 62, 91, 98, 124, 182, 196, 217, 364, 403, 434, 637, 806, 868, 1274, 1519, 1559, 1612, 2548, 2821, 3038, 3118, 5642, 6076, 6236, 10913, 11284, 19747, 20267, 21826, 39494, 40534, 43652, 48329, 76391, 78988, 81068, 96658, 141869, 152782, 193316, 283738, 305564, 338303, 567476, 628277, 676606, 993083, 1256554, 1353212, 1986166, 2368121, 2513108, 3972332, 4397939, 4736242, 8795878, 9472484, 17591756, 30785573, 61571146, 123142292]

約数ペア:

[(1, 123142292), (2, 61571146), (4, 30785573), (7, 17591756), (13, 9472484), (14, 8795878), (26, 4736242), (28, 4397939), (31, 3972332), (49, 2513108), (52, 2368121), (62, 1986166), (91, 1353212), (98, 1256554), (124, 993083), (182, 676606), (196, 628277), (217, 567476), (364, 338303), (403, 305564), (434, 283738), (637, 193316), (806, 152782), (868, 141869), (1274, 96658), (1519, 81068), (1559, 78988), (1612, 76391), (2548, 48329), (2821, 43652), (3038, 40534), (3118, 39494), (5642, 21826), (6076, 20267), (6236, 19747), (10913, 11284)]