242885279

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 320440320

約数和(自身を除く): 77555041

約数列:

[1, 7, 13, 31, 37, 91, 169, 179, 217, 259, 403, 481, 1147, 1183, 1253, 2327, 2821, 3367, 5239, 5549, 6253, 6623, 8029, 14911, 16289, 30251, 36673, 38843, 43771, 46361, 72137, 86099, 104377, 193843, 205313, 211757, 504959, 602693, 937781, 1119287, 1356901, 1437191, 2669069, 6564467, 7835009, 18683483, 34697897, 242885279]

約数ペア:

[(1, 242885279), (7, 34697897), (13, 18683483), (31, 7835009), (37, 6564467), (91, 2669069), (169, 1437191), (179, 1356901), (217, 1119287), (259, 937781), (403, 602693), (481, 504959), (1147, 211757), (1183, 205313), (1253, 193843), (2327, 104377), (2821, 86099), (3367, 72137), (5239, 46361), (5549, 43771), (6253, 38843), (6623, 36673), (8029, 30251), (14911, 16289)]