388637470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{229963}}^1$

素因数の和:229996

約数の個数: 24

約数和(自身を含む): 757501416

約数和(自身を除く): 368863946

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 229963, 459926, 1149815, 2299630, 2989519, 5979038, 14947595, 29895190, 38863747, 77727494, 194318735, 388637470]

約数ペア:

[(1, 388637470), (2, 194318735), (5, 77727494), (10, 38863747), (13, 29895190), (26, 14947595), (65, 5979038), (130, 2989519), (169, 2299630), (338, 1149815), (845, 459926), (1690, 229963)]