168318815

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1993}}^1$

素因数の和:2151

約数の個数: 32

約数和(自身を含む): 245022720

約数和(自身を除く): 76703905

約数列:

[1, 5, 7, 19, 35, 95, 127, 133, 635, 665, 889, 1993, 2413, 4445, 9965, 12065, 13951, 16891, 37867, 69755, 84455, 189335, 253111, 265069, 1265555, 1325345, 1771777, 4809109, 8858885, 24045545, 33663763, 168318815]

約数ペア:

[(1, 168318815), (5, 33663763), (7, 24045545), (19, 8858885), (35, 4809109), (95, 1771777), (127, 1325345), (133, 1265555), (635, 265069), (665, 253111), (889, 189335), (1993, 84455), (2413, 69755), (4445, 37867), (9965, 16891), (12065, 13951)]