328851968

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{20719}}^1$

素因数の和:20768

約数の個数: 40

約数和(自身を含む): 678289920

約数和(自身を除く): 349437952

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 15872, 20719, 41438, 82876, 165752, 331504, 642289, 663008, 1284578, 1326016, 2569156, 2652032, 5138312, 5304064, 10276624, 10608128, 20553248, 41106496, 82212992, 164425984, 328851968]

約数ペア:

[(1, 328851968), (2, 164425984), (4, 82212992), (8, 41106496), (16, 20553248), (31, 10608128), (32, 10276624), (62, 5304064), (64, 5138312), (124, 2652032), (128, 2569156), (248, 1326016), (256, 1284578), (496, 663008), (512, 642289), (992, 331504), (1984, 165752), (3968, 82876), (7936, 41438), (15872, 20719)]