168506390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41813}}^1$

素因数の和:41864

約数の個数: 32

約数和(自身を含む): 337188096

約数和(自身を除く): 168681706

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 41813, 83626, 209065, 418130, 543569, 1087138, 1296203, 2592406, 2717845, 5435690, 6481015, 12962030, 16850639, 33701278, 84253195, 168506390]

約数ペア:

[(1, 168506390), (2, 84253195), (5, 33701278), (10, 16850639), (13, 12962030), (26, 6481015), (31, 5435690), (62, 2717845), (65, 2592406), (130, 1296203), (155, 1087138), (310, 543569), (403, 418130), (806, 209065), (2015, 83626), (4030, 41813)]