219737308

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{20071}}^1$

素因数の和:20122

約数の個数: 48

約数和(自身を含む): 485581824

約数和(自身を除く): 265844516

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 68, 92, 119, 161, 238, 322, 391, 476, 644, 782, 1564, 2737, 5474, 10948, 20071, 40142, 80284, 140497, 280994, 341207, 461633, 561988, 682414, 923266, 1364828, 1846532, 2388449, 3231431, 4776898, 6462862, 7847761, 9553796, 12925724, 15695522, 31391044, 54934327, 109868654, 219737308]

約数ペア:

[(1, 219737308), (2, 109868654), (4, 54934327), (7, 31391044), (14, 15695522), (17, 12925724), (23, 9553796), (28, 7847761), (34, 6462862), (46, 4776898), (68, 3231431), (92, 2388449), (119, 1846532), (161, 1364828), (238, 923266), (322, 682414), (391, 561988), (476, 461633), (644, 341207), (782, 280994), (1564, 140497), (2737, 80284), (5474, 40142), (10948, 20071)]