1309091312

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61379}}^1$

素因数の和:61461

約数の個数: 40

約数和(自身を含む): 2679114240

約数和(自身を除く): 1370022928

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 86, 124, 172, 248, 344, 496, 688, 1333, 2666, 5332, 10664, 21328, 61379, 122758, 245516, 491032, 982064, 1902749, 2639297, 3805498, 5278594, 7610996, 10557188, 15221992, 21114376, 30443984, 42228752, 81818207, 163636414, 327272828, 654545656, 1309091312]

約数ペア:

[(1, 1309091312), (2, 654545656), (4, 327272828), (8, 163636414), (16, 81818207), (31, 42228752), (43, 30443984), (62, 21114376), (86, 15221992), (124, 10557188), (172, 7610996), (248, 5278594), (344, 3805498), (496, 2639297), (688, 1902749), (1333, 982064), (2666, 491032), (5332, 245516), (10664, 122758), (21328, 61379)]