1561331968

素因数分解:

$2^8\times 7^1\times {\mathrm{829}}^1\times {\mathrm{1051}}^1$

素因数の和:1903

約数の個数: 72

約数和(自身を含む): 3569478080

約数和(自身を除く): 2008146112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 829, 896, 1051, 1658, 1792, 2102, 3316, 4204, 5803, 6632, 7357, 8408, 11606, 13264, 14714, 16816, 23212, 26528, 29428, 33632, 46424, 53056, 58856, 67264, 92848, 106112, 117712, 134528, 185696, 212224, 235424, 269056, 371392, 470848, 742784, 871279, 941696, 1485568, 1742558, 1883392, 3485116, 6098953, 6970232, 12197906, 13940464, 24395812, 27880928, 48791624, 55761856, 97583248, 111523712, 195166496, 223047424, 390332992, 780665984, 1561331968]

約数ペア:

[(1, 1561331968), (2, 780665984), (4, 390332992), (7, 223047424), (8, 195166496), (14, 111523712), (16, 97583248), (28, 55761856), (32, 48791624), (56, 27880928), (64, 24395812), (112, 13940464), (128, 12197906), (224, 6970232), (256, 6098953), (448, 3485116), (829, 1883392), (896, 1742558), (1051, 1485568), (1658, 941696), (1792, 871279), (2102, 742784), (3316, 470848), (4204, 371392), (5803, 269056), (6632, 235424), (7357, 212224), (8408, 185696), (11606, 134528), (13264, 117712), (14714, 106112), (16816, 92848), (23212, 67264), (26528, 58856), (29428, 53056), (33632, 46424)]