646616976

素因数分解:

$2^4\times 3^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1\times {\mathrm{647}}^1$

素因数の和:1148

約数の個数: 80

約数和(自身を含む): 1712461824

約数和(自身を除く): 1065844848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 47, 48, 94, 141, 188, 282, 376, 443, 564, 647, 752, 886, 1128, 1294, 1329, 1772, 1941, 2256, 2588, 2658, 3544, 3882, 5176, 5316, 7088, 7764, 10352, 10632, 15528, 20821, 21264, 30409, 31056, 41642, 60818, 62463, 83284, 91227, 121636, 124926, 166568, 182454, 243272, 249852, 286621, 333136, 364908, 486544, 499704, 573242, 729816, 859863, 999408, 1146484, 1459632, 1719726, 2292968, 3439452, 4585936, 6878904, 13471187, 13757808, 26942374, 40413561, 53884748, 80827122, 107769496, 161654244, 215538992, 323308488, 646616976]

約数ペア:

[(1, 646616976), (2, 323308488), (3, 215538992), (4, 161654244), (6, 107769496), (8, 80827122), (12, 53884748), (16, 40413561), (24, 26942374), (47, 13757808), (48, 13471187), (94, 6878904), (141, 4585936), (188, 3439452), (282, 2292968), (376, 1719726), (443, 1459632), (564, 1146484), (647, 999408), (752, 859863), (886, 729816), (1128, 573242), (1294, 499704), (1329, 486544), (1772, 364908), (1941, 333136), (2256, 286621), (2588, 249852), (2658, 243272), (3544, 182454), (3882, 166568), (5176, 124926), (5316, 121636), (7088, 91227), (7764, 83284), (10352, 62463), (10632, 60818), (15528, 41642), (20821, 31056), (21264, 30409)]