669982664

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{207811}}^1$

素因数の和:207861

約数の個数: 32

約数和(自身を含む): 1396496640

約数和(自身を除く): 726513976

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 207811, 415622, 831244, 1662488, 2701543, 5403086, 6442141, 10806172, 12884282, 21612344, 25768564, 51537128, 83747833, 167495666, 334991332, 669982664]

約数ペア:

[(1, 669982664), (2, 334991332), (4, 167495666), (8, 83747833), (13, 51537128), (26, 25768564), (31, 21612344), (52, 12884282), (62, 10806172), (104, 6442141), (124, 5403086), (248, 2701543), (403, 1662488), (806, 831244), (1612, 415622), (3224, 207811)]