644985472

素因数分解:

$2^7\times {\mathrm{421}}^1\times {\mathrm{11969}}^1$

素因数の和:12404

約数の個数: 32

約数和(自身を含む): 1288091700

約数和(自身を除く): 643106228

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 421, 842, 1684, 3368, 6736, 11969, 13472, 23938, 26944, 47876, 53888, 95752, 191504, 383008, 766016, 1532032, 5038949, 10077898, 20155796, 40311592, 80623184, 161246368, 322492736, 644985472]

約数ペア:

[(1, 644985472), (2, 322492736), (4, 161246368), (8, 80623184), (16, 40311592), (32, 20155796), (64, 10077898), (128, 5038949), (421, 1532032), (842, 766016), (1684, 383008), (3368, 191504), (6736, 95752), (11969, 53888), (13472, 47876), (23938, 26944)]