51731316

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15791}}^1$

素因数の和:15821

約数の個数: 72

約数和(自身を含む): 160952064

約数和(自身を除く): 109220748

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 15791, 31582, 47373, 63164, 94746, 110537, 142119, 189492, 205283, 221074, 284238, 331611, 410566, 442148, 568476, 615849, 663222, 821132, 994833, 1231698, 1326444, 1436981, 1847547, 1989666, 2463396, 2873962, 3695094, 3979332, 4310943, 5747924, 7390188, 8621886, 12932829, 17243772, 25865658, 51731316]

約数ペア:

[(1, 51731316), (2, 25865658), (3, 17243772), (4, 12932829), (6, 8621886), (7, 7390188), (9, 5747924), (12, 4310943), (13, 3979332), (14, 3695094), (18, 2873962), (21, 2463396), (26, 1989666), (28, 1847547), (36, 1436981), (39, 1326444), (42, 1231698), (52, 994833), (63, 821132), (78, 663222), (84, 615849), (91, 568476), (117, 442148), (126, 410566), (156, 331611), (182, 284238), (234, 221074), (252, 205283), (273, 189492), (364, 142119), (468, 110537), (546, 94746), (819, 63164), (1092, 47373), (1638, 31582), (3276, 15791)]