40448434

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:414

約数の個数: 32

約数和(自身を含む): 67359600

約数和(自身を除く): 26911166

約数列:

[1, 2, 13, 26, 53, 106, 149, 197, 298, 394, 689, 1378, 1937, 2561, 3874, 5122, 7897, 10441, 15794, 20882, 29353, 58706, 102661, 135733, 205322, 271466, 381589, 763178, 1555709, 3111418, 20224217, 40448434]

約数ペア:

[(1, 40448434), (2, 20224217), (13, 3111418), (26, 1555709), (53, 763178), (106, 381589), (149, 271466), (197, 205322), (298, 135733), (394, 102661), (689, 58706), (1378, 29353), (1937, 20882), (2561, 15794), (3874, 10441), (5122, 7897)]