168243140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{8191}}^1$

素因数の和:8292

約数の個数: 48

約数和(自身を含む): 385351680

約数和(自身を除く): 217108540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4108, 5135, 8191, 10270, 16382, 20540, 32764, 40955, 81910, 106483, 163820, 212966, 425932, 532415, 647089, 1064830, 1294178, 2129660, 2588356, 3235445, 6470890, 8412157, 12941780, 16824314, 33648628, 42060785, 84121570, 168243140]

約数ペア:

[(1, 168243140), (2, 84121570), (4, 42060785), (5, 33648628), (10, 16824314), (13, 12941780), (20, 8412157), (26, 6470890), (52, 3235445), (65, 2588356), (79, 2129660), (130, 1294178), (158, 1064830), (260, 647089), (316, 532415), (395, 425932), (790, 212966), (1027, 163820), (1580, 106483), (2054, 81910), (4108, 40955), (5135, 32764), (8191, 20540), (10270, 16382)]