397747168

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{997}}^1$

素因数の和:1164

約数の個数: 96

約数和(自身を含む): 971780544

約数和(自身を除く): 574033376

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 137, 182, 208, 224, 274, 364, 416, 548, 728, 959, 997, 1096, 1456, 1781, 1918, 1994, 2192, 2912, 3562, 3836, 3988, 4384, 6979, 7124, 7672, 7976, 12467, 12961, 13958, 14248, 15344, 15952, 24934, 25922, 27916, 28496, 30688, 31904, 49868, 51844, 55832, 56992, 90727, 99736, 103688, 111664, 136589, 181454, 199472, 207376, 223328, 273178, 362908, 398944, 414752, 546356, 725816, 956123, 1092712, 1451632, 1775657, 1912246, 2185424, 2903264, 3551314, 3824492, 4370848, 7102628, 7648984, 12429599, 14205256, 15297968, 24859198, 28410512, 30595936, 49718396, 56821024, 99436792, 198873584, 397747168]

約数ペア:

[(1, 397747168), (2, 198873584), (4, 99436792), (7, 56821024), (8, 49718396), (13, 30595936), (14, 28410512), (16, 24859198), (26, 15297968), (28, 14205256), (32, 12429599), (52, 7648984), (56, 7102628), (91, 4370848), (104, 3824492), (112, 3551314), (137, 2903264), (182, 2185424), (208, 1912246), (224, 1775657), (274, 1451632), (364, 1092712), (416, 956123), (548, 725816), (728, 546356), (959, 414752), (997, 398944), (1096, 362908), (1456, 273178), (1781, 223328), (1918, 207376), (1994, 199472), (2192, 181454), (2912, 136589), (3562, 111664), (3836, 103688), (3988, 99736), (4384, 90727), (6979, 56992), (7124, 55832), (7672, 51844), (7976, 49868), (12467, 31904), (12961, 30688), (13958, 28496), (14248, 27916), (15344, 25922), (15952, 24934)]