123718768

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{249433}}^1$

素因数の和:249472

約数の個数: 20

約数和(自身を含む): 247438528

約数和(自身を除く): 123719760

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 249433, 498866, 997732, 1995464, 3990928, 7732423, 15464846, 30929692, 61859384, 123718768]

約数ペア:

[(1, 123718768), (2, 61859384), (4, 30929692), (8, 15464846), (16, 7732423), (31, 3990928), (62, 1995464), (124, 997732), (248, 498866), (496, 249433)]