660991786

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 1287031680

約数和(自身を除く): 626039894

約数列:

[1, 2, 7, 13, 14, 26, 43, 73, 86, 89, 91, 146, 169, 178, 182, 301, 338, 511, 559, 602, 623, 949, 1022, 1118, 1157, 1183, 1246, 1898, 2314, 2366, 3139, 3827, 3913, 6278, 6497, 6643, 7267, 7654, 7826, 8099, 12337, 12994, 13286, 14534, 15041, 16198, 21973, 24674, 26789, 30082, 40807, 43946, 45479, 49751, 50869, 53578, 81614, 84461, 86359, 90958, 99502, 101738, 105287, 168922, 172718, 210574, 279371, 285649, 348257, 530491, 558742, 571298, 591227, 646763, 696514, 1060982, 1097993, 1182454, 1293526, 1955597, 2195986, 3631823, 3713437, 3911194, 4527341, 7263646, 7426874, 7685951, 9054682, 15371902, 25422761, 47213699, 50845522, 94427398, 330495893, 660991786]

約数ペア:

[(1, 660991786), (2, 330495893), (7, 94427398), (13, 50845522), (14, 47213699), (26, 25422761), (43, 15371902), (73, 9054682), (86, 7685951), (89, 7426874), (91, 7263646), (146, 4527341), (169, 3911194), (178, 3713437), (182, 3631823), (301, 2195986), (338, 1955597), (511, 1293526), (559, 1182454), (602, 1097993), (623, 1060982), (949, 696514), (1022, 646763), (1118, 591227), (1157, 571298), (1183, 558742), (1246, 530491), (1898, 348257), (2314, 285649), (2366, 279371), (3139, 210574), (3827, 172718), (3913, 168922), (6278, 105287), (6497, 101738), (6643, 99502), (7267, 90958), (7654, 86359), (7826, 84461), (8099, 81614), (12337, 53578), (12994, 50869), (13286, 49751), (14534, 45479), (15041, 43946), (16198, 40807), (21973, 30082), (24674, 26789)]