31231312

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 74995200

約数和(自身を除く): 43763888

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 47, 56, 68, 94, 112, 119, 136, 188, 238, 272, 329, 349, 376, 476, 658, 698, 752, 799, 952, 1316, 1396, 1598, 1904, 2443, 2632, 2792, 3196, 4886, 5264, 5584, 5593, 5933, 6392, 9772, 11186, 11866, 12784, 16403, 19544, 22372, 23732, 32806, 39088, 41531, 44744, 47464, 65612, 83062, 89488, 94928, 114821, 131224, 166124, 229642, 262448, 278851, 332248, 459284, 557702, 664496, 918568, 1115404, 1837136, 1951957, 2230808, 3903914, 4461616, 7807828, 15615656, 31231312]

約数ペア:

[(1, 31231312), (2, 15615656), (4, 7807828), (7, 4461616), (8, 3903914), (14, 2230808), (16, 1951957), (17, 1837136), (28, 1115404), (34, 918568), (47, 664496), (56, 557702), (68, 459284), (94, 332248), (112, 278851), (119, 262448), (136, 229642), (188, 166124), (238, 131224), (272, 114821), (329, 94928), (349, 89488), (376, 83062), (476, 65612), (658, 47464), (698, 44744), (752, 41531), (799, 39088), (952, 32806), (1316, 23732), (1396, 22372), (1598, 19544), (1904, 16403), (2443, 12784), (2632, 11866), (2792, 11186), (3196, 9772), (4886, 6392), (5264, 5933), (5584, 5593)]