289012490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{14723}}^1$

素因数の和:14894

約数の個数: 32

約数和(自身を含む): 563988096

約数和(自身を除く): 274975606

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151, 302, 755, 1510, 1963, 3926, 9815, 14723, 19630, 29446, 73615, 147230, 191399, 382798, 956995, 1913990, 2223173, 4446346, 11115865, 22231730, 28901249, 57802498, 144506245, 289012490]

約数ペア:

[(1, 289012490), (2, 144506245), (5, 57802498), (10, 28901249), (13, 22231730), (26, 11115865), (65, 4446346), (130, 2223173), (151, 1913990), (302, 956995), (755, 382798), (1510, 191399), (1963, 147230), (3926, 73615), (9815, 29446), (14723, 19630)]