289118648

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:637

約数の個数: 128

約数和(自身を含む): 719953920

約数和(自身を除く): 430835272

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 31, 46, 52, 56, 62, 91, 92, 104, 124, 161, 182, 184, 217, 248, 299, 322, 364, 403, 434, 557, 598, 644, 713, 728, 806, 868, 1114, 1196, 1288, 1426, 1612, 1736, 2093, 2228, 2392, 2821, 2852, 3224, 3899, 4186, 4456, 4991, 5642, 5704, 7241, 7798, 8372, 9269, 9982, 11284, 12811, 14482, 15596, 16744, 17267, 18538, 19964, 22568, 25622, 28964, 31192, 34534, 37076, 39928, 50687, 51244, 57928, 64883, 69068, 74152, 89677, 101374, 102488, 120869, 129766, 138136, 166543, 179354, 202748, 224471, 241738, 259532, 333086, 358708, 397141, 405496, 448942, 483476, 519064, 666172, 717416, 794282, 897884, 966952, 1165801, 1332344, 1571297, 1588564, 1795768, 2331602, 2779987, 3142594, 3177128, 4663204, 5162833, 5559974, 6285188, 9326408, 10325666, 11119948, 12570376, 20651332, 22239896, 36139831, 41302664, 72279662, 144559324, 289118648]

約数ペア:

[(1, 289118648), (2, 144559324), (4, 72279662), (7, 41302664), (8, 36139831), (13, 22239896), (14, 20651332), (23, 12570376), (26, 11119948), (28, 10325666), (31, 9326408), (46, 6285188), (52, 5559974), (56, 5162833), (62, 4663204), (91, 3177128), (92, 3142594), (104, 2779987), (124, 2331602), (161, 1795768), (182, 1588564), (184, 1571297), (217, 1332344), (248, 1165801), (299, 966952), (322, 897884), (364, 794282), (403, 717416), (434, 666172), (557, 519064), (598, 483476), (644, 448942), (713, 405496), (728, 397141), (806, 358708), (868, 333086), (1114, 259532), (1196, 241738), (1288, 224471), (1426, 202748), (1612, 179354), (1736, 166543), (2093, 138136), (2228, 129766), (2392, 120869), (2821, 102488), (2852, 101374), (3224, 89677), (3899, 74152), (4186, 69068), (4456, 64883), (4991, 57928), (5642, 51244), (5704, 50687), (7241, 39928), (7798, 37076), (8372, 34534), (9269, 31192), (9982, 28964), (11284, 25622), (12811, 22568), (14482, 19964), (15596, 18538), (16744, 17267)]