81939116

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2179}}^1$

素因数の和:2286

約数の個数: 48

約数和(自身を含む): 175795200

約数和(自身を除く): 93856084

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 79, 119, 158, 238, 316, 476, 553, 1106, 1343, 2179, 2212, 2686, 4358, 5372, 8716, 9401, 15253, 18802, 30506, 37043, 37604, 61012, 74086, 148172, 172141, 259301, 344282, 518602, 688564, 1037204, 1204987, 2409974, 2926397, 4819948, 5852794, 11705588, 20484779, 40969558, 81939116]

約数ペア:

[(1, 81939116), (2, 40969558), (4, 20484779), (7, 11705588), (14, 5852794), (17, 4819948), (28, 2926397), (34, 2409974), (68, 1204987), (79, 1037204), (119, 688564), (158, 518602), (238, 344282), (316, 259301), (476, 172141), (553, 148172), (1106, 74086), (1343, 61012), (2179, 37604), (2212, 37043), (2686, 30506), (4358, 18802), (5372, 15253), (8716, 9401)]