261121308

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{673}}^1$

素因数の和:867

約数の個数: 96

約数和(自身を含む): 724684800

約数和(自身を除く): 463563492

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 149, 186, 217, 298, 372, 434, 447, 596, 651, 673, 868, 894, 1043, 1302, 1346, 1788, 2019, 2086, 2604, 2692, 3129, 4038, 4172, 4619, 4711, 6258, 8076, 9238, 9422, 12516, 13857, 14133, 18476, 18844, 20863, 27714, 28266, 32333, 41726, 55428, 56532, 62589, 64666, 83452, 96999, 100277, 125178, 129332, 146041, 193998, 200554, 250356, 292082, 300831, 387996, 401108, 438123, 584164, 601662, 701939, 876246, 1203324, 1403878, 1752492, 2105817, 2807756, 3108587, 4211634, 6217174, 8423268, 9325761, 12434348, 18651522, 21760109, 37303044, 43520218, 65280327, 87040436, 130560654, 261121308]

約数ペア:

[(1, 261121308), (2, 130560654), (3, 87040436), (4, 65280327), (6, 43520218), (7, 37303044), (12, 21760109), (14, 18651522), (21, 12434348), (28, 9325761), (31, 8423268), (42, 6217174), (62, 4211634), (84, 3108587), (93, 2807756), (124, 2105817), (149, 1752492), (186, 1403878), (217, 1203324), (298, 876246), (372, 701939), (434, 601662), (447, 584164), (596, 438123), (651, 401108), (673, 387996), (868, 300831), (894, 292082), (1043, 250356), (1302, 200554), (1346, 193998), (1788, 146041), (2019, 129332), (2086, 125178), (2604, 100277), (2692, 96999), (3129, 83452), (4038, 64666), (4172, 62589), (4619, 56532), (4711, 55428), (6258, 41726), (8076, 32333), (9238, 28266), (9422, 27714), (12516, 20863), (13857, 18844), (14133, 18476)]