899103478

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:222

約数の個数: 128

約数和(自身を含む): 1814077440

約数和(自身を除く): 914973962

約数列:

[1, 2, 7, 13, 14, 26, 31, 37, 59, 62, 73, 74, 91, 118, 146, 182, 217, 259, 403, 413, 434, 481, 511, 518, 767, 806, 826, 949, 962, 1022, 1147, 1534, 1829, 1898, 2183, 2263, 2294, 2701, 2821, 3367, 3658, 4307, 4366, 4526, 5369, 5402, 5642, 6643, 6734, 8029, 8614, 10738, 12803, 13286, 14911, 15281, 15841, 16058, 18907, 23777, 25606, 28379, 29419, 29822, 30149, 30562, 31682, 35113, 37814, 47554, 55991, 56758, 58838, 60298, 67673, 70226, 83731, 104377, 111982, 133517, 135346, 159359, 166439, 167462, 198653, 205933, 208754, 245791, 267034, 318718, 332878, 391937, 397306, 411866, 473711, 491582, 586117, 783874, 879749, 934619, 947422, 1088503, 1115513, 1172234, 1735721, 1759498, 1869238, 2071667, 2177006, 2231026, 3471442, 4143334, 4940129, 6158243, 7619521, 9880258, 12150047, 12316486, 14501669, 15239042, 24300094, 29003338, 34580903, 64221677, 69161806, 128443354, 449551739, 899103478]

約数ペア:

[(1, 899103478), (2, 449551739), (7, 128443354), (13, 69161806), (14, 64221677), (26, 34580903), (31, 29003338), (37, 24300094), (59, 15239042), (62, 14501669), (73, 12316486), (74, 12150047), (91, 9880258), (118, 7619521), (146, 6158243), (182, 4940129), (217, 4143334), (259, 3471442), (403, 2231026), (413, 2177006), (434, 2071667), (481, 1869238), (511, 1759498), (518, 1735721), (767, 1172234), (806, 1115513), (826, 1088503), (949, 947422), (962, 934619), (1022, 879749), (1147, 783874), (1534, 586117), (1829, 491582), (1898, 473711), (2183, 411866), (2263, 397306), (2294, 391937), (2701, 332878), (2821, 318718), (3367, 267034), (3658, 245791), (4307, 208754), (4366, 205933), (4526, 198653), (5369, 167462), (5402, 166439), (5642, 159359), (6643, 135346), (6734, 133517), (8029, 111982), (8614, 104377), (10738, 83731), (12803, 70226), (13286, 67673), (14911, 60298), (15281, 58838), (15841, 56758), (16058, 55991), (18907, 47554), (23777, 37814), (25606, 35113), (28379, 31682), (29419, 30562), (29822, 30149)]