164939710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:757

約数の個数: 64

約数和(自身を含む): 335083392

約数和(自身を除く): 170143682

約数列:

[1, 2, 5, 10, 13, 26, 37, 53, 65, 74, 106, 130, 185, 265, 370, 481, 530, 647, 689, 962, 1294, 1378, 1961, 2405, 3235, 3445, 3922, 4810, 6470, 6890, 8411, 9805, 16822, 19610, 23939, 25493, 34291, 42055, 47878, 50986, 68582, 84110, 119695, 127465, 171455, 239390, 254930, 311207, 342910, 445783, 622414, 891566, 1268767, 1556035, 2228915, 2537534, 3112070, 4457830, 6343835, 12687670, 16493971, 32987942, 82469855, 164939710]

約数ペア:

[(1, 164939710), (2, 82469855), (5, 32987942), (10, 16493971), (13, 12687670), (26, 6343835), (37, 4457830), (53, 3112070), (65, 2537534), (74, 2228915), (106, 1556035), (130, 1268767), (185, 891566), (265, 622414), (370, 445783), (481, 342910), (530, 311207), (647, 254930), (689, 239390), (962, 171455), (1294, 127465), (1378, 119695), (1961, 84110), (2405, 68582), (3235, 50986), (3445, 47878), (3922, 42055), (4810, 34291), (6470, 25493), (6890, 23939), (8411, 19610), (9805, 16822)]