263887624

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1063}}^1$

素因数の和:1131

約数の個数: 128

約数和(自身を含む): 686407680

約数和(自身を除く): 422520056

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 31, 44, 52, 56, 62, 77, 88, 91, 104, 124, 143, 154, 182, 217, 248, 286, 308, 341, 364, 403, 434, 572, 616, 682, 728, 806, 868, 1001, 1063, 1144, 1364, 1612, 1736, 2002, 2126, 2387, 2728, 2821, 3224, 4004, 4252, 4433, 4774, 5642, 7441, 8008, 8504, 8866, 9548, 11284, 11693, 13819, 14882, 17732, 19096, 22568, 23386, 27638, 29764, 31031, 32953, 35464, 46772, 55276, 59528, 62062, 65906, 81851, 93544, 96733, 110552, 124124, 131812, 152009, 163702, 193466, 230671, 248248, 263624, 304018, 327404, 362483, 386932, 428389, 461342, 608036, 654808, 724966, 773864, 856778, 922684, 1064063, 1216072, 1449932, 1713556, 1845368, 2128126, 2537381, 2899864, 2998723, 3427112, 4256252, 4712279, 5074762, 5997446, 8512504, 9424558, 10149524, 11994892, 18849116, 20299048, 23989784, 32985953, 37698232, 65971906, 131943812, 263887624]

約数ペア:

[(1, 263887624), (2, 131943812), (4, 65971906), (7, 37698232), (8, 32985953), (11, 23989784), (13, 20299048), (14, 18849116), (22, 11994892), (26, 10149524), (28, 9424558), (31, 8512504), (44, 5997446), (52, 5074762), (56, 4712279), (62, 4256252), (77, 3427112), (88, 2998723), (91, 2899864), (104, 2537381), (124, 2128126), (143, 1845368), (154, 1713556), (182, 1449932), (217, 1216072), (248, 1064063), (286, 922684), (308, 856778), (341, 773864), (364, 724966), (403, 654808), (434, 608036), (572, 461342), (616, 428389), (682, 386932), (728, 362483), (806, 327404), (868, 304018), (1001, 263624), (1063, 248248), (1144, 230671), (1364, 193466), (1612, 163702), (1736, 152009), (2002, 131812), (2126, 124124), (2387, 110552), (2728, 96733), (2821, 93544), (3224, 81851), (4004, 65906), (4252, 62062), (4433, 59528), (4774, 55276), (5642, 46772), (7441, 35464), (8008, 32953), (8504, 31031), (8866, 29764), (9548, 27638), (11284, 23386), (11693, 22568), (13819, 19096), (14882, 17732)]