1389259703

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 1689629760

約数和(自身を除く): 300370057

約数列:

[1, 13, 17, 29, 41, 221, 289, 311, 377, 493, 533, 697, 1189, 3757, 4043, 5287, 6409, 8381, 9019, 9061, 11849, 12751, 15457, 20213, 68731, 89879, 108953, 117247, 153323, 154037, 165763, 216767, 262769, 343621, 369779, 1168427, 1993199, 2606491, 2817971, 3685039, 4467073, 4807127, 6286243, 33884383, 47905507, 81721159, 106866131, 1389259703]

約数ペア:

[(1, 1389259703), (13, 106866131), (17, 81721159), (29, 47905507), (41, 33884383), (221, 6286243), (289, 4807127), (311, 4467073), (377, 3685039), (493, 2817971), (533, 2606491), (697, 1993199), (1189, 1168427), (3757, 369779), (4043, 343621), (5287, 262769), (6409, 216767), (8381, 165763), (9019, 154037), (9061, 153323), (11849, 117247), (12751, 108953), (15457, 89879), (20213, 68731)]