168317188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 326093040

約数和(自身を除く): 157775852

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 157, 212, 314, 389, 628, 689, 778, 1378, 1556, 2041, 2756, 4082, 5057, 8164, 8321, 10114, 16642, 20228, 20617, 33284, 41234, 61073, 82468, 108173, 122146, 216346, 244292, 268021, 432692, 536042, 793949, 1072084, 1587898, 3175796, 3236869, 6473738, 12947476, 42079297, 84158594, 168317188]

約数ペア:

[(1, 168317188), (2, 84158594), (4, 42079297), (13, 12947476), (26, 6473738), (52, 3236869), (53, 3175796), (106, 1587898), (157, 1072084), (212, 793949), (314, 536042), (389, 432692), (628, 268021), (689, 244292), (778, 216346), (1378, 122146), (1556, 108173), (2041, 82468), (2756, 61073), (4082, 41234), (5057, 33284), (8164, 20617), (8321, 20228), (10114, 16642)]