399876672

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{160207}}^1$

素因数の和:160235

約数の個数: 56

約数和(自身を含む): 1139399296

約数和(自身を除く): 739522624

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 156, 192, 208, 312, 416, 624, 832, 1248, 2496, 160207, 320414, 480621, 640828, 961242, 1281656, 1922484, 2082691, 2563312, 3844968, 4165382, 5126624, 6248073, 7689936, 8330764, 10253248, 12496146, 15379872, 16661528, 24992292, 30759744, 33323056, 49984584, 66646112, 99969168, 133292224, 199938336, 399876672]

約数ペア:

[(1, 399876672), (2, 199938336), (3, 133292224), (4, 99969168), (6, 66646112), (8, 49984584), (12, 33323056), (13, 30759744), (16, 24992292), (24, 16661528), (26, 15379872), (32, 12496146), (39, 10253248), (48, 8330764), (52, 7689936), (64, 6248073), (78, 5126624), (96, 4165382), (104, 3844968), (156, 2563312), (192, 2082691), (208, 1922484), (312, 1281656), (416, 961242), (624, 640828), (832, 480621), (1248, 320414), (2496, 160207)]