78118465

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 101606400

約数和(自身を除く): 23487935

約数列:

[1, 5, 23, 47, 97, 115, 149, 235, 485, 745, 1081, 2231, 3427, 4559, 5405, 7003, 11155, 14453, 17135, 22795, 35015, 72265, 104857, 161069, 332419, 524285, 679291, 805345, 1662095, 3396455, 15623693, 78118465]

約数ペア:

[(1, 78118465), (5, 15623693), (23, 3396455), (47, 1662095), (97, 805345), (115, 679291), (149, 524285), (235, 332419), (485, 161069), (745, 104857), (1081, 72265), (2231, 35015), (3427, 22795), (4559, 17135), (5405, 14453), (7003, 11155)]