642645424

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{311}}^1$

素因数の和:514

約数の個数: 80

約数和(自身を含む): 1353770496

約数和(自身を除く): 711125072

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 71, 107, 136, 142, 214, 272, 284, 311, 428, 568, 622, 856, 1136, 1207, 1244, 1712, 1819, 2414, 2488, 3638, 4828, 4976, 5287, 7276, 7597, 9656, 10574, 14552, 15194, 19312, 21148, 22081, 29104, 30388, 33277, 42296, 44162, 60776, 66554, 84592, 88324, 121552, 129149, 133108, 176648, 258298, 266216, 353296, 375377, 516596, 532432, 565709, 750754, 1033192, 1131418, 1501508, 2066384, 2262836, 2362667, 3003016, 4525672, 4725334, 6006032, 9051344, 9450668, 18901336, 37802672, 40165339, 80330678, 160661356, 321322712, 642645424]

約数ペア:

[(1, 642645424), (2, 321322712), (4, 160661356), (8, 80330678), (16, 40165339), (17, 37802672), (34, 18901336), (68, 9450668), (71, 9051344), (107, 6006032), (136, 4725334), (142, 4525672), (214, 3003016), (272, 2362667), (284, 2262836), (311, 2066384), (428, 1501508), (568, 1131418), (622, 1033192), (856, 750754), (1136, 565709), (1207, 532432), (1244, 516596), (1712, 375377), (1819, 353296), (2414, 266216), (2488, 258298), (3638, 176648), (4828, 133108), (4976, 129149), (5287, 121552), (7276, 88324), (7597, 84592), (9656, 66554), (10574, 60776), (14552, 44162), (15194, 42296), (19312, 33277), (21148, 30388), (22081, 29104)]