221520406

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{829}}^1$

素因数の和:1048

約数の個数: 32

約数和(自身を含む): 358799040

約数和(自身を除く): 137278634

約数列:

[1, 2, 23, 37, 46, 74, 157, 314, 829, 851, 1658, 1702, 3611, 5809, 7222, 11618, 19067, 30673, 38134, 61346, 130153, 133607, 260306, 267214, 705479, 1410958, 2993519, 4815661, 5987038, 9631322, 110760203, 221520406]

約数ペア:

[(1, 221520406), (2, 110760203), (23, 9631322), (37, 5987038), (46, 4815661), (74, 2993519), (157, 1410958), (314, 705479), (829, 267214), (851, 260306), (1658, 133607), (1702, 130153), (3611, 61346), (5809, 38134), (7222, 30673), (11618, 19067)]