248864994

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:373

約数の個数: 128

約数和(自身を含む): 659957760

約数和(自身を除く): 411092766

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 43, 54, 61, 63, 86, 122, 126, 129, 183, 189, 251, 258, 301, 366, 378, 387, 427, 502, 549, 602, 753, 774, 854, 903, 1098, 1161, 1281, 1506, 1647, 1757, 1806, 2259, 2322, 2562, 2623, 2709, 3294, 3514, 3843, 4518, 5246, 5271, 5418, 6777, 7686, 7869, 8127, 10542, 10793, 11529, 13554, 15311, 15738, 15813, 16254, 18361, 21586, 23058, 23607, 30622, 31626, 32379, 36722, 45933, 47214, 47439, 55083, 64758, 70821, 75551, 91866, 94878, 97137, 107177, 110166, 137799, 141642, 151102, 165249, 194274, 214354, 226653, 275598, 291411, 321531, 330498, 413397, 453306, 495747, 582822, 643062, 658373, 679959, 826794, 964593, 991494, 1316746, 1359918, 1929186, 1975119, 2039877, 2893779, 3950238, 4079754, 4608611, 5787558, 5925357, 9217222, 11850714, 13825833, 17776071, 27651666, 35552142, 41477499, 82954998, 124432497, 248864994]

約数ペア:

[(1, 248864994), (2, 124432497), (3, 82954998), (6, 41477499), (7, 35552142), (9, 27651666), (14, 17776071), (18, 13825833), (21, 11850714), (27, 9217222), (42, 5925357), (43, 5787558), (54, 4608611), (61, 4079754), (63, 3950238), (86, 2893779), (122, 2039877), (126, 1975119), (129, 1929186), (183, 1359918), (189, 1316746), (251, 991494), (258, 964593), (301, 826794), (366, 679959), (378, 658373), (387, 643062), (427, 582822), (502, 495747), (549, 453306), (602, 413397), (753, 330498), (774, 321531), (854, 291411), (903, 275598), (1098, 226653), (1161, 214354), (1281, 194274), (1506, 165249), (1647, 151102), (1757, 141642), (1806, 137799), (2259, 110166), (2322, 107177), (2562, 97137), (2623, 94878), (2709, 91866), (3294, 75551), (3514, 70821), (3843, 64758), (4518, 55083), (5246, 47439), (5271, 47214), (5418, 45933), (6777, 36722), (7686, 32379), (7869, 31626), (8127, 30622), (10542, 23607), (10793, 23058), (11529, 21586), (13554, 18361), (15311, 16254), (15738, 15813)]