217322056

素因数分解:

$2^3\times 7^3\times {\mathrm{29}}^1\times {\mathrm{2731}}^1$

素因数の和:2787

約数の個数: 64

約数和(自身を含む): 491760000

約数和(自身を除く): 274437944

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 49, 56, 58, 98, 116, 196, 203, 232, 343, 392, 406, 686, 812, 1372, 1421, 1624, 2731, 2744, 2842, 5462, 5684, 9947, 10924, 11368, 19117, 19894, 21848, 38234, 39788, 76468, 79199, 79576, 133819, 152936, 158398, 267638, 316796, 535276, 554393, 633592, 936733, 1070552, 1108786, 1873466, 2217572, 3746932, 3880751, 4435144, 7493864, 7761502, 15523004, 27165257, 31046008, 54330514, 108661028, 217322056]

約数ペア:

[(1, 217322056), (2, 108661028), (4, 54330514), (7, 31046008), (8, 27165257), (14, 15523004), (28, 7761502), (29, 7493864), (49, 4435144), (56, 3880751), (58, 3746932), (98, 2217572), (116, 1873466), (196, 1108786), (203, 1070552), (232, 936733), (343, 633592), (392, 554393), (406, 535276), (686, 316796), (812, 267638), (1372, 158398), (1421, 152936), (1624, 133819), (2731, 79576), (2744, 79199), (2842, 76468), (5462, 39788), (5684, 38234), (9947, 21848), (10924, 19894), (11368, 19117)]