86889790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{12611}}^1$

素因数の和:12684

約数の個数: 32

約数和(自身を含む): 171624096

約数和(自身を除く): 84734306

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3445, 6890, 12611, 25222, 63055, 126110, 163943, 327886, 668383, 819715, 1336766, 1639430, 3341915, 6683830, 8688979, 17377958, 43444895, 86889790]

約数ペア:

[(1, 86889790), (2, 43444895), (5, 17377958), (10, 8688979), (13, 6683830), (26, 3341915), (53, 1639430), (65, 1336766), (106, 819715), (130, 668383), (265, 327886), (530, 163943), (689, 126110), (1378, 63055), (3445, 25222), (6890, 12611)]