1311156730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{76991}}^1$

素因数の和:77142

約数の個数: 32

約数和(自身を含む): 2561061888

約数和(自身を除く): 1249905158

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 262, 655, 1310, 1703, 3406, 8515, 17030, 76991, 153982, 384955, 769910, 1000883, 2001766, 5004415, 10008830, 10085821, 20171642, 50429105, 100858210, 131115673, 262231346, 655578365, 1311156730]

約数ペア:

[(1, 1311156730), (2, 655578365), (5, 262231346), (10, 131115673), (13, 100858210), (26, 50429105), (65, 20171642), (130, 10085821), (131, 10008830), (262, 5004415), (655, 2001766), (1310, 1000883), (1703, 769910), (3406, 384955), (8515, 153982), (17030, 76991)]