289385278

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{227147}}^1$

素因数の和:227176

約数の個数: 24

約数和(自身を含む): 543792312

約数和(自身を除く): 254407034

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 227147, 454294, 1590029, 2952911, 3180058, 5905822, 11130203, 20670377, 22260406, 41340754, 144692639, 289385278]

約数ペア:

[(1, 289385278), (2, 144692639), (7, 41340754), (13, 22260406), (14, 20670377), (26, 11130203), (49, 5905822), (91, 3180058), (98, 2952911), (182, 1590029), (637, 454294), (1274, 227147)]