199438498

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{2389}}^1$

素因数の和:2554

約数の個数: 32

約数和(自身を含む): 351043200

約数和(自身を除く): 151604702

約数列:

[1, 2, 7, 14, 67, 89, 134, 178, 469, 623, 938, 1246, 2389, 4778, 5963, 11926, 16723, 33446, 41741, 83482, 160063, 212621, 320126, 425242, 1120441, 1488347, 2240882, 2976694, 14245607, 28491214, 99719249, 199438498]

約数ペア:

[(1, 199438498), (2, 99719249), (7, 28491214), (14, 14245607), (67, 2976694), (89, 2240882), (134, 1488347), (178, 1120441), (469, 425242), (623, 320126), (938, 212621), (1246, 160063), (2389, 83482), (4778, 41741), (5963, 33446), (11926, 16723)]