1646385412

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1\times {\mathrm{1993}}^1$

素因数の和:2348

約数の個数: 48

約数和(自身を含む): 3332947072

約数和(自身を除く): 1686561660

約数列:

[1, 2, 4, 7, 14, 28, 163, 181, 326, 362, 652, 724, 1141, 1267, 1993, 2282, 2534, 3986, 4564, 5068, 7972, 13951, 27902, 29503, 55804, 59006, 118012, 206521, 324859, 360733, 413042, 649718, 721466, 826084, 1299436, 1442932, 2274013, 2525131, 4548026, 5050262, 9096052, 10100524, 58799479, 117598958, 235197916, 411596353, 823192706, 1646385412]

約数ペア:

[(1, 1646385412), (2, 823192706), (4, 411596353), (7, 235197916), (14, 117598958), (28, 58799479), (163, 10100524), (181, 9096052), (326, 5050262), (362, 4548026), (652, 2525131), (724, 2274013), (1141, 1442932), (1267, 1299436), (1993, 826084), (2282, 721466), (2534, 649718), (3986, 413042), (4564, 360733), (5068, 324859), (7972, 206521), (13951, 118012), (27902, 59006), (29503, 55804)]