115431290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{28643}}^1$

素因数の和:28694

約数の個数: 32

約数和(自身を含む): 230985216

約数和(自身を除く): 115553926

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 28643, 57286, 143215, 286430, 372359, 744718, 887933, 1775866, 1861795, 3723590, 4439665, 8879330, 11543129, 23086258, 57715645, 115431290]

約数ペア:

[(1, 115431290), (2, 57715645), (5, 23086258), (10, 11543129), (13, 8879330), (26, 4439665), (31, 3723590), (62, 1861795), (65, 1775866), (130, 887933), (155, 744718), (310, 372359), (403, 286430), (806, 143215), (2015, 57286), (4030, 28643)]