289149028

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 625737728

約数和(自身を除く): 336588700

約数列:

[1, 2, 4, 7, 14, 28, 31, 43, 61, 62, 86, 122, 124, 127, 172, 217, 244, 254, 301, 427, 434, 508, 602, 854, 868, 889, 1204, 1333, 1708, 1778, 1891, 2623, 2666, 3556, 3782, 3937, 5246, 5332, 5461, 7564, 7747, 7874, 9331, 10492, 10922, 13237, 15494, 15748, 18361, 18662, 21844, 26474, 27559, 30988, 36722, 37324, 38227, 52948, 54229, 55118, 73444, 76454, 81313, 108458, 110236, 152908, 162626, 169291, 216916, 240157, 325252, 333121, 338582, 480314, 569191, 666242, 677164, 960628, 1138382, 1185037, 1332484, 1681099, 2276764, 2331847, 2370074, 3362198, 4663694, 4740148, 6724396, 9327388, 10326751, 20653502, 41307004, 72287257, 144574514, 289149028]

約数ペア:

[(1, 289149028), (2, 144574514), (4, 72287257), (7, 41307004), (14, 20653502), (28, 10326751), (31, 9327388), (43, 6724396), (61, 4740148), (62, 4663694), (86, 3362198), (122, 2370074), (124, 2331847), (127, 2276764), (172, 1681099), (217, 1332484), (244, 1185037), (254, 1138382), (301, 960628), (427, 677164), (434, 666242), (508, 569191), (602, 480314), (854, 338582), (868, 333121), (889, 325252), (1204, 240157), (1333, 216916), (1708, 169291), (1778, 162626), (1891, 152908), (2623, 110236), (2666, 108458), (3556, 81313), (3782, 76454), (3937, 73444), (5246, 55118), (5332, 54229), (5461, 52948), (7564, 38227), (7747, 37324), (7874, 36722), (9331, 30988), (10492, 27559), (10922, 26474), (13237, 21844), (15494, 18662), (15748, 18361)]