655278806

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:206

約数の個数: 128

約数和(自身を含む): 1330323456

約数和(自身を除く): 675044650

約数列:

[1, 2, 7, 13, 14, 26, 31, 37, 43, 62, 73, 74, 86, 91, 146, 182, 217, 259, 301, 403, 434, 481, 511, 518, 559, 602, 806, 949, 962, 1022, 1118, 1147, 1333, 1591, 1898, 2263, 2294, 2666, 2701, 2821, 3139, 3182, 3367, 3913, 4526, 5402, 5642, 6278, 6643, 6734, 7826, 8029, 9331, 11137, 13286, 14911, 15841, 16058, 17329, 18662, 18907, 20683, 21973, 22274, 29419, 29822, 31682, 34658, 35113, 37814, 40807, 41366, 43946, 49321, 58838, 70226, 81614, 83731, 97309, 98642, 104377, 116143, 121303, 144781, 167462, 194618, 205933, 208754, 232286, 242606, 245791, 285649, 289562, 345247, 411866, 491582, 571298, 586117, 641173, 681163, 690494, 813001, 1088503, 1172234, 1265017, 1282346, 1362326, 1509859, 1626002, 2177006, 2530034, 3019718, 3600433, 4488211, 7200866, 7619521, 8855119, 8976422, 10569013, 15239042, 17710238, 21138026, 25203031, 46805629, 50406062, 93611258, 327639403, 655278806]

約数ペア:

[(1, 655278806), (2, 327639403), (7, 93611258), (13, 50406062), (14, 46805629), (26, 25203031), (31, 21138026), (37, 17710238), (43, 15239042), (62, 10569013), (73, 8976422), (74, 8855119), (86, 7619521), (91, 7200866), (146, 4488211), (182, 3600433), (217, 3019718), (259, 2530034), (301, 2177006), (403, 1626002), (434, 1509859), (481, 1362326), (511, 1282346), (518, 1265017), (559, 1172234), (602, 1088503), (806, 813001), (949, 690494), (962, 681163), (1022, 641173), (1118, 586117), (1147, 571298), (1333, 491582), (1591, 411866), (1898, 345247), (2263, 289562), (2294, 285649), (2666, 245791), (2701, 242606), (2821, 232286), (3139, 208754), (3182, 205933), (3367, 194618), (3913, 167462), (4526, 144781), (5402, 121303), (5642, 116143), (6278, 104377), (6643, 98642), (6734, 97309), (7826, 83731), (8029, 81614), (9331, 70226), (11137, 58838), (13286, 49321), (14911, 43946), (15841, 41366), (16058, 40807), (17329, 37814), (18662, 35113), (18907, 34658), (20683, 31682), (21973, 29822), (22274, 29419)]