191438028

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{571}}^1$

素因数の和:787

約数の個数: 72

約数和(自身を含む): 495535040

約数和(自身を除く): 304097012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 134, 139, 201, 268, 278, 402, 417, 556, 571, 603, 804, 834, 1142, 1206, 1251, 1668, 1713, 2284, 2412, 2502, 3426, 5004, 5139, 6852, 9313, 10278, 18626, 20556, 27939, 37252, 38257, 55878, 76514, 79369, 83817, 111756, 114771, 153028, 158738, 167634, 229542, 238107, 317476, 335268, 344313, 459084, 476214, 688626, 714321, 952428, 1377252, 1428642, 2857284, 5317723, 10635446, 15953169, 21270892, 31906338, 47859507, 63812676, 95719014, 191438028]

約数ペア:

[(1, 191438028), (2, 95719014), (3, 63812676), (4, 47859507), (6, 31906338), (9, 21270892), (12, 15953169), (18, 10635446), (36, 5317723), (67, 2857284), (134, 1428642), (139, 1377252), (201, 952428), (268, 714321), (278, 688626), (402, 476214), (417, 459084), (556, 344313), (571, 335268), (603, 317476), (804, 238107), (834, 229542), (1142, 167634), (1206, 158738), (1251, 153028), (1668, 114771), (1713, 111756), (2284, 83817), (2412, 79369), (2502, 76514), (3426, 55878), (5004, 38257), (5139, 37252), (6852, 27939), (9313, 20556), (10278, 18626)]