221495456

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{5851}}^1$

素因数の和:5894

約数の個数: 72

約数和(自身を含む): 539741664

約数和(自身を除く): 318246208

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 169, 182, 208, 224, 338, 364, 416, 676, 728, 1183, 1352, 1456, 2366, 2704, 2912, 4732, 5408, 5851, 9464, 11702, 18928, 23404, 37856, 40957, 46808, 76063, 81914, 93616, 152126, 163828, 187232, 304252, 327656, 532441, 608504, 655312, 988819, 1064882, 1217008, 1310624, 1977638, 2129764, 2434016, 3955276, 4259528, 6921733, 7910552, 8519056, 13843466, 15821104, 17038112, 27686932, 31642208, 55373864, 110747728, 221495456]

約数ペア:

[(1, 221495456), (2, 110747728), (4, 55373864), (7, 31642208), (8, 27686932), (13, 17038112), (14, 15821104), (16, 13843466), (26, 8519056), (28, 7910552), (32, 6921733), (52, 4259528), (56, 3955276), (91, 2434016), (104, 2129764), (112, 1977638), (169, 1310624), (182, 1217008), (208, 1064882), (224, 988819), (338, 655312), (364, 608504), (416, 532441), (676, 327656), (728, 304252), (1183, 187232), (1352, 163828), (1456, 152126), (2366, 93616), (2704, 81914), (2912, 76063), (4732, 46808), (5408, 40957), (5851, 37856), (9464, 23404), (11702, 18928)]