166891535

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 216691200

約数和(自身を除く): 49799665

約数列:

[1, 5, 19, 71, 95, 109, 227, 355, 545, 1135, 1349, 2071, 4313, 6745, 7739, 10355, 16117, 21565, 24743, 38695, 80585, 123715, 147041, 306223, 470117, 735205, 1531115, 1756753, 2350585, 8783765, 33378307, 166891535]

約数ペア:

[(1, 166891535), (5, 33378307), (19, 8783765), (71, 2350585), (95, 1756753), (109, 1531115), (227, 735205), (355, 470117), (545, 306223), (1135, 147041), (1349, 123715), (2071, 80585), (4313, 38695), (6745, 24743), (7739, 21565), (10355, 16117)]