213777788

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{773}}^1$

素因数の和:891

約数の個数: 72

約数和(自身を含む): 466944912

約数和(自身を除く): 253167124

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 83, 98, 119, 166, 196, 238, 332, 476, 581, 773, 833, 1162, 1411, 1546, 1666, 2324, 2822, 3092, 3332, 4067, 5411, 5644, 8134, 9877, 10822, 13141, 16268, 19754, 21644, 26282, 37877, 39508, 52564, 64159, 69139, 75754, 91987, 128318, 138278, 151508, 183974, 256636, 276556, 367948, 449113, 643909, 898226, 1090703, 1287818, 1796452, 2181406, 2575636, 3143791, 4362812, 6287582, 7634921, 12575164, 15269842, 30539684, 53444447, 106888894, 213777788]

約数ペア:

[(1, 213777788), (2, 106888894), (4, 53444447), (7, 30539684), (14, 15269842), (17, 12575164), (28, 7634921), (34, 6287582), (49, 4362812), (68, 3143791), (83, 2575636), (98, 2181406), (119, 1796452), (166, 1287818), (196, 1090703), (238, 898226), (332, 643909), (476, 449113), (581, 367948), (773, 276556), (833, 256636), (1162, 183974), (1411, 151508), (1546, 138278), (1666, 128318), (2324, 91987), (2822, 75754), (3092, 69139), (3332, 64159), (4067, 52564), (5411, 39508), (5644, 37877), (8134, 26282), (9877, 21644), (10822, 19754), (13141, 16268)]