278431244

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:487

約数の個数: 96

約数和(自身を含む): 638238720

約数和(自身を除く): 359807476

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 127, 133, 182, 247, 254, 266, 317, 364, 494, 508, 532, 634, 889, 988, 1268, 1651, 1729, 1778, 2219, 2413, 3302, 3458, 3556, 4121, 4438, 4826, 6023, 6604, 6916, 8242, 8876, 9652, 11557, 12046, 16484, 16891, 23114, 24092, 28847, 31369, 33782, 40259, 42161, 46228, 57694, 62738, 67564, 78299, 80518, 84322, 115388, 125476, 156598, 161036, 168644, 219583, 281813, 313196, 439166, 523367, 548093, 563626, 764921, 878332, 1046734, 1096186, 1127252, 1529842, 2093468, 2192372, 3059684, 3663569, 5354447, 7327138, 9943973, 10708894, 14654276, 19887946, 21417788, 39775892, 69607811, 139215622, 278431244]

約数ペア:

[(1, 278431244), (2, 139215622), (4, 69607811), (7, 39775892), (13, 21417788), (14, 19887946), (19, 14654276), (26, 10708894), (28, 9943973), (38, 7327138), (52, 5354447), (76, 3663569), (91, 3059684), (127, 2192372), (133, 2093468), (182, 1529842), (247, 1127252), (254, 1096186), (266, 1046734), (317, 878332), (364, 764921), (494, 563626), (508, 548093), (532, 523367), (634, 439166), (889, 313196), (988, 281813), (1268, 219583), (1651, 168644), (1729, 161036), (1778, 156598), (2219, 125476), (2413, 115388), (3302, 84322), (3458, 80518), (3556, 78299), (4121, 67564), (4438, 62738), (4826, 57694), (6023, 46228), (6604, 42161), (6916, 40259), (8242, 33782), (8876, 31369), (9652, 28847), (11557, 24092), (12046, 23114), (16484, 16891)]