865688330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{214811}}^1$

素因数の和:214862

約数の個数: 32

約数和(自身を含む): 1732243968

約数和(自身を除く): 866555638

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 214811, 429622, 1074055, 2148110, 2792543, 5585086, 6659141, 13318282, 13962715, 27925430, 33295705, 66591410, 86568833, 173137666, 432844165, 865688330]

約数ペア:

[(1, 865688330), (2, 432844165), (5, 173137666), (10, 86568833), (13, 66591410), (26, 33295705), (31, 27925430), (62, 13962715), (65, 13318282), (130, 6659141), (155, 5585086), (310, 2792543), (403, 2148110), (806, 1074055), (2015, 429622), (4030, 214811)]