81998436

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^2\times {\mathrm{151}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 210986944

約数和(自身を除く): 128988508

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 59, 78, 118, 151, 156, 177, 236, 302, 354, 453, 604, 708, 767, 906, 1534, 1812, 1963, 2301, 3068, 3481, 3926, 4602, 5889, 6962, 7852, 8909, 9204, 10443, 11778, 13924, 17818, 20886, 23556, 26727, 35636, 41772, 45253, 53454, 90506, 106908, 115817, 135759, 181012, 231634, 271518, 347451, 463268, 525631, 543036, 694902, 1051262, 1389804, 1576893, 2102524, 3153786, 6307572, 6833203, 13666406, 20499609, 27332812, 40999218, 81998436]

約数ペア:

[(1, 81998436), (2, 40999218), (3, 27332812), (4, 20499609), (6, 13666406), (12, 6833203), (13, 6307572), (26, 3153786), (39, 2102524), (52, 1576893), (59, 1389804), (78, 1051262), (118, 694902), (151, 543036), (156, 525631), (177, 463268), (236, 347451), (302, 271518), (354, 231634), (453, 181012), (604, 135759), (708, 115817), (767, 106908), (906, 90506), (1534, 53454), (1812, 45253), (1963, 41772), (2301, 35636), (3068, 26727), (3481, 23556), (3926, 20886), (4602, 17818), (5889, 13924), (6962, 11778), (7852, 10443), (8909, 9204)]