319994276

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{19403}}^1$

素因数の和:19464

約数の個数: 48

約数和(自身を含む): 695439360

約数和(自身を除く): 375445084

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 434, 532, 589, 868, 1178, 2356, 4123, 8246, 16492, 19403, 38806, 77612, 135821, 271642, 368657, 543284, 601493, 737314, 1202986, 1474628, 2405972, 2580599, 4210451, 5161198, 8420902, 10322396, 11428367, 16841804, 22856734, 45713468, 79998569, 159997138, 319994276]

約数ペア:

[(1, 319994276), (2, 159997138), (4, 79998569), (7, 45713468), (14, 22856734), (19, 16841804), (28, 11428367), (31, 10322396), (38, 8420902), (62, 5161198), (76, 4210451), (124, 2580599), (133, 2405972), (217, 1474628), (266, 1202986), (434, 737314), (532, 601493), (589, 543284), (868, 368657), (1178, 271642), (2356, 135821), (4123, 77612), (8246, 38806), (16492, 19403)]