3181990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 6614784

約数和(自身を除く): 3432794

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 131, 262, 347, 655, 694, 917, 1310, 1735, 1834, 2429, 3470, 4585, 4858, 9170, 12145, 24290, 45457, 90914, 227285, 318199, 454570, 636398, 1590995, 3181990]

約数ペア:

[(1, 3181990), (2, 1590995), (5, 636398), (7, 454570), (10, 318199), (14, 227285), (35, 90914), (70, 45457), (131, 24290), (262, 12145), (347, 9170), (655, 4858), (694, 4585), (917, 3470), (1310, 2429), (1735, 1834)]