865220868

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{619}}^1\times {\mathrm{947}}^1$

素因数の和:1617

約数の個数: 72

約数和(自身を含む): 2246418720

約数和(自身を除く): 1381197852

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 492, 619, 738, 947, 1238, 1476, 1857, 1894, 2476, 2841, 3714, 3788, 5571, 5682, 7428, 8523, 11142, 11364, 17046, 22284, 25379, 34092, 38827, 50758, 76137, 77654, 101516, 116481, 152274, 155308, 228411, 232962, 304548, 349443, 456822, 465924, 586193, 698886, 913644, 1172386, 1397772, 1758579, 2344772, 3517158, 5275737, 7034316, 10551474, 21102948, 24033913, 48067826, 72101739, 96135652, 144203478, 216305217, 288406956, 432610434, 865220868]

約数ペア:

[(1, 865220868), (2, 432610434), (3, 288406956), (4, 216305217), (6, 144203478), (9, 96135652), (12, 72101739), (18, 48067826), (36, 24033913), (41, 21102948), (82, 10551474), (123, 7034316), (164, 5275737), (246, 3517158), (369, 2344772), (492, 1758579), (619, 1397772), (738, 1172386), (947, 913644), (1238, 698886), (1476, 586193), (1857, 465924), (1894, 456822), (2476, 349443), (2841, 304548), (3714, 232962), (3788, 228411), (5571, 155308), (5682, 152274), (7428, 116481), (8523, 101516), (11142, 77654), (11364, 76137), (17046, 50758), (22284, 38827), (25379, 34092)]