16638388

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:344

約数の個数: 36

約数和(自身を含む): 31932768

約数和(自身を除く): 15294380

約数列:

[1, 2, 4, 13, 26, 52, 151, 163, 169, 302, 326, 338, 604, 652, 676, 1963, 2119, 3926, 4238, 7852, 8476, 24613, 25519, 27547, 49226, 51038, 55094, 98452, 102076, 110188, 319969, 639938, 1279876, 4159597, 8319194, 16638388]

約数ペア:

[(1, 16638388), (2, 8319194), (4, 4159597), (13, 1279876), (26, 639938), (52, 319969), (151, 110188), (163, 102076), (169, 98452), (302, 55094), (326, 51038), (338, 49226), (604, 27547), (652, 25519), (676, 24613), (1963, 8476), (2119, 7852), (3926, 4238)]