977236988

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{911}}^1$

素因数の和:1363

約数の個数: 72

約数和(自身を含む): 2149850304

約数和(自身を除く): 1172613316

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 421, 637, 842, 911, 1274, 1684, 1822, 2548, 2947, 3644, 5473, 5894, 6377, 10946, 11788, 11843, 12754, 20629, 21892, 23686, 25508, 38311, 41258, 44639, 47372, 76622, 82516, 82901, 89278, 153244, 165802, 178556, 268177, 331604, 383531, 536354, 580307, 767062, 1072708, 1160614, 1534124, 2321228, 2684717, 4985903, 5369434, 9971806, 10738868, 18793019, 19943612, 34901321, 37586038, 69802642, 75172076, 139605284, 244309247, 488618494, 977236988]

約数ペア:

[(1, 977236988), (2, 488618494), (4, 244309247), (7, 139605284), (13, 75172076), (14, 69802642), (26, 37586038), (28, 34901321), (49, 19943612), (52, 18793019), (91, 10738868), (98, 9971806), (182, 5369434), (196, 4985903), (364, 2684717), (421, 2321228), (637, 1534124), (842, 1160614), (911, 1072708), (1274, 767062), (1684, 580307), (1822, 536354), (2548, 383531), (2947, 331604), (3644, 268177), (5473, 178556), (5894, 165802), (6377, 153244), (10946, 89278), (11788, 82901), (11843, 82516), (12754, 76622), (20629, 47372), (21892, 44639), (23686, 41258), (25508, 38311)]