1278393516

素因数分解:

$2^2\times 3^4\times {\mathrm{3945659}}^1$

素因数の和:3945675

約数の個数: 30

約数和(自身を含む): 3341974020

約数和(自身を除く): 2063580504

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 3945659, 7891318, 11836977, 15782636, 23673954, 35510931, 47347908, 71021862, 106532793, 142043724, 213065586, 319598379, 426131172, 639196758, 1278393516]

約数ペア:

[(1, 1278393516), (2, 639196758), (3, 426131172), (4, 319598379), (6, 213065586), (9, 142043724), (12, 106532793), (18, 71021862), (27, 47347908), (36, 35510931), (54, 23673954), (81, 15782636), (108, 11836977), (162, 7891318), (324, 3945659)]