1620781638

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1330691}}^1$

素因数の和:1330732

約数の個数: 32

約数和(自身を含む): 3832392960

約数和(自身を除く): 2211611322

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 406, 609, 1218, 1330691, 2661382, 3992073, 7984146, 9314837, 18629674, 27944511, 38590039, 55889022, 77180078, 115770117, 231540234, 270130273, 540260546, 810390819, 1620781638]

約数ペア:

[(1, 1620781638), (2, 810390819), (3, 540260546), (6, 270130273), (7, 231540234), (14, 115770117), (21, 77180078), (29, 55889022), (42, 38590039), (58, 27944511), (87, 18629674), (174, 9314837), (203, 7984146), (406, 3992073), (609, 2661382), (1218, 1330691)]