1290291236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{349483}}^1$

素因数の和:349571

約数の個数: 24

約数和(自身を含む): 2465959104

約数和(自身を除く): 1175667868

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 349483, 698966, 1397932, 4543279, 9086558, 18173116, 24813293, 49626586, 99253172, 322572809, 645145618, 1290291236]

約数ペア:

[(1, 1290291236), (2, 645145618), (4, 322572809), (13, 99253172), (26, 49626586), (52, 24813293), (71, 18173116), (142, 9086558), (284, 4543279), (923, 1397932), (1846, 698966), (3692, 349483)]