878156656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{739}}^1$

素因数の和:986

約数の個数: 80

約数和(自身を含む): 1907690400

約数和(自身を除く): 1029533744

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 116, 197, 208, 232, 377, 394, 464, 739, 754, 788, 1478, 1508, 1576, 2561, 2956, 3016, 3152, 5122, 5713, 5912, 6032, 9607, 10244, 11426, 11824, 19214, 20488, 21431, 22852, 38428, 40976, 42862, 45704, 74269, 76856, 85724, 91408, 145583, 148538, 153712, 171448, 278603, 291166, 297076, 342896, 557206, 582332, 594152, 1114412, 1164664, 1188304, 1892579, 2228824, 2329328, 3785158, 4221907, 4457648, 7570316, 8443814, 15140632, 16887628, 30281264, 33775256, 54884791, 67550512, 109769582, 219539164, 439078328, 878156656]

約数ペア:

[(1, 878156656), (2, 439078328), (4, 219539164), (8, 109769582), (13, 67550512), (16, 54884791), (26, 33775256), (29, 30281264), (52, 16887628), (58, 15140632), (104, 8443814), (116, 7570316), (197, 4457648), (208, 4221907), (232, 3785158), (377, 2329328), (394, 2228824), (464, 1892579), (739, 1188304), (754, 1164664), (788, 1114412), (1478, 594152), (1508, 582332), (1576, 557206), (2561, 342896), (2956, 297076), (3016, 291166), (3152, 278603), (5122, 171448), (5713, 153712), (5912, 148538), (6032, 145583), (9607, 91408), (10244, 85724), (11426, 76856), (11824, 74269), (19214, 45704), (20488, 42862), (21431, 40976), (22852, 38428)]