209280256

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{26371}}^1$

素因数の和:26418

約数の個数: 36

約数和(自身を含む): 431234944

約数和(自身を除く): 221954688

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 26371, 52742, 105484, 210968, 421936, 817501, 843872, 1635002, 1687744, 3270004, 3375488, 6540008, 6750976, 13080016, 26160032, 52320064, 104640128, 209280256]

約数ペア:

[(1, 209280256), (2, 104640128), (4, 52320064), (8, 26160032), (16, 13080016), (31, 6750976), (32, 6540008), (62, 3375488), (64, 3270004), (124, 1687744), (128, 1635002), (248, 843872), (256, 817501), (496, 421936), (992, 210968), (1984, 105484), (3968, 52742), (7936, 26371)]