251757688

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:549

約数の個数: 96

約数和(自身を含む): 597542400

約数和(自身を除く): 345784712

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 127, 182, 196, 254, 364, 389, 392, 508, 637, 728, 778, 889, 1016, 1274, 1556, 1651, 1778, 2548, 2723, 3112, 3302, 3556, 5057, 5096, 5446, 6223, 6604, 7112, 10114, 10892, 11557, 12446, 13208, 19061, 20228, 21784, 23114, 24892, 35399, 38122, 40456, 46228, 49403, 49784, 70798, 76244, 80899, 92456, 98806, 141596, 152488, 161798, 197612, 247793, 283192, 323596, 345821, 395224, 495586, 642239, 647192, 691642, 991172, 1284478, 1383284, 1982344, 2420747, 2568956, 2766568, 4495673, 4841494, 5137912, 8991346, 9682988, 17982692, 19365976, 31469711, 35965384, 62939422, 125878844, 251757688]

約数ペア:

[(1, 251757688), (2, 125878844), (4, 62939422), (7, 35965384), (8, 31469711), (13, 19365976), (14, 17982692), (26, 9682988), (28, 8991346), (49, 5137912), (52, 4841494), (56, 4495673), (91, 2766568), (98, 2568956), (104, 2420747), (127, 1982344), (182, 1383284), (196, 1284478), (254, 991172), (364, 691642), (389, 647192), (392, 642239), (508, 495586), (637, 395224), (728, 345821), (778, 323596), (889, 283192), (1016, 247793), (1274, 197612), (1556, 161798), (1651, 152488), (1778, 141596), (2548, 98806), (2723, 92456), (3112, 80899), (3302, 76244), (3556, 70798), (5057, 49784), (5096, 49403), (5446, 46228), (6223, 40456), (6604, 38122), (7112, 35399), (10114, 24892), (10892, 23114), (11557, 21784), (12446, 20228), (13208, 19061)]