2017205281

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{22013}}^1$

素因数の和:22105

約数の個数: 32

約数和(自身を含む): 2662813440

約数和(自身を除く): 645608159

約数列:

[1, 7, 13, 19, 53, 91, 133, 247, 371, 689, 1007, 1729, 4823, 7049, 13091, 22013, 91637, 154091, 286169, 418247, 1166689, 2003183, 2927729, 5437211, 8166823, 15166957, 22167091, 38060477, 106168699, 155169637, 288172183, 2017205281]

約数ペア:

[(1, 2017205281), (7, 288172183), (13, 155169637), (19, 106168699), (53, 38060477), (91, 22167091), (133, 15166957), (247, 8166823), (371, 5437211), (689, 2927729), (1007, 2003183), (1729, 1166689), (4823, 418247), (7049, 286169), (13091, 154091), (22013, 91637)]