395031468

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^2\times {\mathrm{157}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 1006893552

約数和(自身を除く): 611862084

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 127, 156, 157, 254, 314, 381, 471, 508, 628, 762, 942, 1524, 1651, 1884, 2041, 3302, 4082, 4953, 6123, 6604, 8164, 9906, 12246, 16129, 19812, 19939, 24492, 32258, 39878, 48387, 59817, 64516, 79756, 96774, 119634, 193548, 209677, 239268, 259207, 419354, 518414, 629031, 777621, 838708, 1036828, 1258062, 1555242, 2516124, 2532253, 3110484, 5064506, 7596759, 10129012, 15193518, 30387036, 32919289, 65838578, 98757867, 131677156, 197515734, 395031468]

約数ペア:

[(1, 395031468), (2, 197515734), (3, 131677156), (4, 98757867), (6, 65838578), (12, 32919289), (13, 30387036), (26, 15193518), (39, 10129012), (52, 7596759), (78, 5064506), (127, 3110484), (156, 2532253), (157, 2516124), (254, 1555242), (314, 1258062), (381, 1036828), (471, 838708), (508, 777621), (628, 629031), (762, 518414), (942, 419354), (1524, 259207), (1651, 239268), (1884, 209677), (2041, 193548), (3302, 119634), (4082, 96774), (4953, 79756), (6123, 64516), (6604, 59817), (8164, 48387), (9906, 39878), (12246, 32258), (16129, 24492), (19812, 19939)]