217871970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{168893}}^1$

素因数の和:168946

約数の個数: 32

約数和(自身を含む): 535056192

約数和(自身を除く): 317184222

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 168893, 337786, 506679, 844465, 1013358, 1688930, 2533395, 5066790, 7262399, 14524798, 21787197, 36311995, 43574394, 72623990, 108935985, 217871970]

約数ペア:

[(1, 217871970), (2, 108935985), (3, 72623990), (5, 43574394), (6, 36311995), (10, 21787197), (15, 14524798), (30, 7262399), (43, 5066790), (86, 2533395), (129, 1688930), (215, 1013358), (258, 844465), (430, 506679), (645, 337786), (1290, 168893)]