353431130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{19559}}^1$

素因数の和:19718

約数の個数: 32

約数和(自身を含む): 690076800

約数和(自身を除く): 336645670

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1390, 1807, 3614, 9035, 18070, 19559, 39118, 97795, 195590, 254267, 508534, 1271335, 2542670, 2718701, 5437402, 13593505, 27187010, 35343113, 70686226, 176715565, 353431130]

約数ペア:

[(1, 353431130), (2, 176715565), (5, 70686226), (10, 35343113), (13, 27187010), (26, 13593505), (65, 5437402), (130, 2718701), (139, 2542670), (278, 1271335), (695, 508534), (1390, 254267), (1807, 195590), (3614, 97795), (9035, 39118), (18070, 19559)]