87213276

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:459

約数の個数: 72

約数和(自身を含む): 226044000

約数和(自身を除く): 138830724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 149, 213, 229, 284, 298, 426, 447, 458, 596, 639, 687, 852, 894, 916, 1278, 1341, 1374, 1788, 2061, 2556, 2682, 2748, 4122, 5364, 8244, 10579, 16259, 21158, 31737, 32518, 34121, 42316, 48777, 63474, 65036, 68242, 95211, 97554, 102363, 126948, 136484, 146331, 190422, 195108, 204726, 292662, 307089, 380844, 409452, 585324, 614178, 1228356, 2422591, 4845182, 7267773, 9690364, 14535546, 21803319, 29071092, 43606638, 87213276]

約数ペア:

[(1, 87213276), (2, 43606638), (3, 29071092), (4, 21803319), (6, 14535546), (9, 9690364), (12, 7267773), (18, 4845182), (36, 2422591), (71, 1228356), (142, 614178), (149, 585324), (213, 409452), (229, 380844), (284, 307089), (298, 292662), (426, 204726), (447, 195108), (458, 190422), (596, 146331), (639, 136484), (687, 126948), (852, 102363), (894, 97554), (916, 95211), (1278, 68242), (1341, 65036), (1374, 63474), (1788, 48777), (2061, 42316), (2556, 34121), (2682, 32518), (2748, 31737), (4122, 21158), (5364, 16259), (8244, 10579)]