291245695

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{367}}^1\times {\mathrm{421}}^1$

素因数の和:835

約数の個数: 32

約数和(自身を含む): 391345920

約数和(自身を除く): 100100225

約数列:

[1, 5, 13, 29, 65, 145, 367, 377, 421, 1835, 1885, 2105, 4771, 5473, 10643, 12209, 23855, 27365, 53215, 61045, 138359, 154507, 158717, 691795, 772535, 793585, 2008591, 4480703, 10042955, 22403515, 58249139, 291245695]

約数ペア:

[(1, 291245695), (5, 58249139), (13, 22403515), (29, 10042955), (65, 4480703), (145, 2008591), (367, 793585), (377, 772535), (421, 691795), (1835, 158717), (1885, 154507), (2105, 138359), (4771, 61045), (5473, 53215), (10643, 27365), (12209, 23855)]