644343804

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1931}}^1$

素因数の和:2008

約数の個数: 144

約数和(自身を含む): 1890330624

約数和(自身を除く): 1245986820

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 31, 36, 39, 46, 52, 62, 69, 78, 92, 93, 117, 124, 138, 156, 186, 207, 234, 276, 279, 299, 372, 403, 414, 468, 558, 598, 713, 806, 828, 897, 1116, 1196, 1209, 1426, 1612, 1794, 1931, 2139, 2418, 2691, 2852, 3588, 3627, 3862, 4278, 4836, 5382, 5793, 6417, 7254, 7724, 8556, 9269, 10764, 11586, 12834, 14508, 17379, 18538, 23172, 25103, 25668, 27807, 34758, 37076, 44413, 50206, 55614, 59861, 69516, 75309, 83421, 88826, 100412, 111228, 119722, 133239, 150618, 166842, 177652, 179583, 225927, 239444, 266478, 301236, 333684, 359166, 399717, 451854, 532956, 538749, 577369, 718332, 778193, 799434, 903708, 1077498, 1154738, 1376803, 1556386, 1598868, 1732107, 2154996, 2309476, 2334579, 2753606, 3112772, 3464214, 4130409, 4669158, 5196321, 5507212, 6928428, 7003737, 8260818, 9338316, 10392642, 12391227, 14007474, 16521636, 17898439, 20785284, 24782454, 28014948, 35796878, 49564908, 53695317, 71593756, 107390634, 161085951, 214781268, 322171902, 644343804]

約数ペア:

[(1, 644343804), (2, 322171902), (3, 214781268), (4, 161085951), (6, 107390634), (9, 71593756), (12, 53695317), (13, 49564908), (18, 35796878), (23, 28014948), (26, 24782454), (31, 20785284), (36, 17898439), (39, 16521636), (46, 14007474), (52, 12391227), (62, 10392642), (69, 9338316), (78, 8260818), (92, 7003737), (93, 6928428), (117, 5507212), (124, 5196321), (138, 4669158), (156, 4130409), (186, 3464214), (207, 3112772), (234, 2753606), (276, 2334579), (279, 2309476), (299, 2154996), (372, 1732107), (403, 1598868), (414, 1556386), (468, 1376803), (558, 1154738), (598, 1077498), (713, 903708), (806, 799434), (828, 778193), (897, 718332), (1116, 577369), (1196, 538749), (1209, 532956), (1426, 451854), (1612, 399717), (1794, 359166), (1931, 333684), (2139, 301236), (2418, 266478), (2691, 239444), (2852, 225927), (3588, 179583), (3627, 177652), (3862, 166842), (4278, 150618), (4836, 133239), (5382, 119722), (5793, 111228), (6417, 100412), (7254, 88826), (7724, 83421), (8556, 75309), (9269, 69516), (10764, 59861), (11586, 55614), (12834, 50206), (14508, 44413), (17379, 37076), (18538, 34758), (23172, 27807), (25103, 25668)]