65426570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 133902720

約数和(自身を除く): 68476150

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 89, 110, 163, 178, 205, 326, 410, 445, 451, 815, 890, 902, 979, 1630, 1793, 1958, 2255, 3586, 3649, 4510, 4895, 6683, 7298, 8965, 9790, 13366, 14507, 17930, 18245, 29014, 33415, 36490, 40139, 66830, 72535, 73513, 80278, 145070, 147026, 159577, 200695, 319154, 367565, 401390, 594787, 735130, 797885, 1189574, 1595770, 2973935, 5947870, 6542657, 13085314, 32713285, 65426570]

約数ペア:

[(1, 65426570), (2, 32713285), (5, 13085314), (10, 6542657), (11, 5947870), (22, 2973935), (41, 1595770), (55, 1189574), (82, 797885), (89, 735130), (110, 594787), (163, 401390), (178, 367565), (205, 319154), (326, 200695), (410, 159577), (445, 147026), (451, 145070), (815, 80278), (890, 73513), (902, 72535), (979, 66830), (1630, 40139), (1793, 36490), (1958, 33415), (2255, 29014), (3586, 18245), (3649, 17930), (4510, 14507), (4895, 13366), (6683, 9790), (7298, 8965)]