393887488

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{49633}}^1$

素因数の和:49680

約数の個数: 36

約数和(自身を含む): 811615168

約数和(自身を除く): 417727680

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 49633, 99266, 198532, 397064, 794128, 1538623, 1588256, 3077246, 3176512, 6154492, 6353024, 12308984, 12706048, 24617968, 49235936, 98471872, 196943744, 393887488]

約数ペア:

[(1, 393887488), (2, 196943744), (4, 98471872), (8, 49235936), (16, 24617968), (31, 12706048), (32, 12308984), (62, 6353024), (64, 6154492), (124, 3176512), (128, 3077246), (248, 1588256), (256, 1538623), (496, 794128), (992, 397064), (1984, 198532), (3968, 99266), (7936, 49633)]