221450852

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{2113}}^1$

素因数の和:2340

約数の個数: 48

約数和(自身を含む): 468800640

約数和(自身を除く): 247349788

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 197, 266, 394, 532, 788, 1379, 2113, 2758, 3743, 4226, 5516, 7486, 8452, 14791, 14972, 26201, 29582, 40147, 52402, 59164, 80294, 104804, 160588, 281029, 416261, 562058, 832522, 1124116, 1665044, 2913827, 5827654, 7908959, 11655308, 15817918, 31635836, 55362713, 110725426, 221450852]

約数ペア:

[(1, 221450852), (2, 110725426), (4, 55362713), (7, 31635836), (14, 15817918), (19, 11655308), (28, 7908959), (38, 5827654), (76, 2913827), (133, 1665044), (197, 1124116), (266, 832522), (394, 562058), (532, 416261), (788, 281029), (1379, 160588), (2113, 104804), (2758, 80294), (3743, 59164), (4226, 52402), (5516, 40147), (7486, 29582), (8452, 26201), (14791, 14972)]