201213715

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{12853}}^1$

素因数の和:12990

約数の個数: 16

約数和(自身を含む): 251732736

約数和(自身を除く): 50519021

約数列:

[1, 5, 31, 101, 155, 505, 3131, 12853, 15655, 64265, 398443, 1298153, 1992215, 6490765, 40242743, 201213715]

約数ペア:

[(1, 201213715), (5, 40242743), (31, 6490765), (101, 1992215), (155, 1298153), (505, 398443), (3131, 64265), (12853, 15655)]