421180656

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{677}}^1\times {\mathrm{997}}^1$

素因数の和:1698

約数の個数: 80

約数和(自身を含む): 1174653984

約数和(自身を除く): 753473328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 677, 997, 1354, 1994, 2031, 2708, 2991, 3988, 4062, 5416, 5982, 7976, 8124, 8801, 10832, 11964, 12961, 15952, 16248, 17602, 23928, 25922, 26403, 32496, 35204, 38883, 47856, 51844, 52806, 70408, 77766, 103688, 105612, 140816, 155532, 207376, 211224, 311064, 422448, 622128, 674969, 1349938, 2024907, 2699876, 4049814, 5399752, 8099628, 8774597, 10799504, 16199256, 17549194, 26323791, 32398512, 35098388, 52647582, 70196776, 105295164, 140393552, 210590328, 421180656]

約数ペア:

[(1, 421180656), (2, 210590328), (3, 140393552), (4, 105295164), (6, 70196776), (8, 52647582), (12, 35098388), (13, 32398512), (16, 26323791), (24, 17549194), (26, 16199256), (39, 10799504), (48, 8774597), (52, 8099628), (78, 5399752), (104, 4049814), (156, 2699876), (208, 2024907), (312, 1349938), (624, 674969), (677, 622128), (997, 422448), (1354, 311064), (1994, 211224), (2031, 207376), (2708, 155532), (2991, 140816), (3988, 105612), (4062, 103688), (5416, 77766), (5982, 70408), (7976, 52806), (8124, 51844), (8801, 47856), (10832, 38883), (11964, 35204), (12961, 32496), (15952, 26403), (16248, 25922), (17602, 23928)]