72868135

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 96307200

約数和(自身を除く): 23439065

約数列:

[1, 5, 19, 31, 95, 109, 155, 227, 545, 589, 1135, 2071, 2945, 3379, 4313, 7037, 10355, 16895, 21565, 24743, 35185, 64201, 123715, 133703, 321005, 470117, 668515, 767033, 2350585, 3835165, 14573627, 72868135]

約数ペア:

[(1, 72868135), (5, 14573627), (19, 3835165), (31, 2350585), (95, 767033), (109, 668515), (155, 470117), (227, 321005), (545, 133703), (589, 123715), (1135, 64201), (2071, 35185), (2945, 24743), (3379, 21565), (4313, 16895), (7037, 10355)]