221417248

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:410

約数の個数: 96

約数和(自身を含む): 502951680

約数和(自身を除く): 281534432

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 131, 136, 208, 221, 239, 262, 272, 416, 442, 478, 524, 544, 884, 956, 1048, 1703, 1768, 1912, 2096, 2227, 3107, 3406, 3536, 3824, 4063, 4192, 4454, 6214, 6812, 7072, 7648, 8126, 8908, 12428, 13624, 16252, 17816, 24856, 27248, 28951, 31309, 32504, 35632, 49712, 52819, 54496, 57902, 62618, 65008, 71264, 99424, 105638, 115804, 125236, 130016, 211276, 231608, 250472, 407017, 422552, 463216, 500944, 532253, 814034, 845104, 926432, 1001888, 1064506, 1628068, 1690208, 2129012, 3256136, 4258024, 6512272, 6919289, 8516048, 13024544, 13838578, 17032096, 27677156, 55354312, 110708624, 221417248]

約数ペア:

[(1, 221417248), (2, 110708624), (4, 55354312), (8, 27677156), (13, 17032096), (16, 13838578), (17, 13024544), (26, 8516048), (32, 6919289), (34, 6512272), (52, 4258024), (68, 3256136), (104, 2129012), (131, 1690208), (136, 1628068), (208, 1064506), (221, 1001888), (239, 926432), (262, 845104), (272, 814034), (416, 532253), (442, 500944), (478, 463216), (524, 422552), (544, 407017), (884, 250472), (956, 231608), (1048, 211276), (1703, 130016), (1768, 125236), (1912, 115804), (2096, 105638), (2227, 99424), (3107, 71264), (3406, 65008), (3536, 62618), (3824, 57902), (4063, 54496), (4192, 52819), (4454, 49712), (6214, 35632), (6812, 32504), (7072, 31309), (7648, 28951), (8126, 27248), (8908, 24856), (12428, 17816), (13624, 16252)]