278839548

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{16103}}^1$

素因数の和:16163

約数の個数: 72

約数和(自身を含む): 779626848

約数和(自身を除く): 500787300

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 37, 39, 52, 74, 78, 111, 117, 148, 156, 222, 234, 333, 444, 468, 481, 666, 962, 1332, 1443, 1924, 2886, 4329, 5772, 8658, 16103, 17316, 32206, 48309, 64412, 96618, 144927, 193236, 209339, 289854, 418678, 579708, 595811, 628017, 837356, 1191622, 1256034, 1787433, 1884051, 2383244, 2512068, 3574866, 3768102, 5362299, 7149732, 7536204, 7745543, 10724598, 15491086, 21449196, 23236629, 30982172, 46473258, 69709887, 92946516, 139419774, 278839548]

約数ペア:

[(1, 278839548), (2, 139419774), (3, 92946516), (4, 69709887), (6, 46473258), (9, 30982172), (12, 23236629), (13, 21449196), (18, 15491086), (26, 10724598), (36, 7745543), (37, 7536204), (39, 7149732), (52, 5362299), (74, 3768102), (78, 3574866), (111, 2512068), (117, 2383244), (148, 1884051), (156, 1787433), (222, 1256034), (234, 1191622), (333, 837356), (444, 628017), (468, 595811), (481, 579708), (666, 418678), (962, 289854), (1332, 209339), (1443, 193236), (1924, 144927), (2886, 96618), (4329, 64412), (5772, 48309), (8658, 32206), (16103, 17316)]