1278887764

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{7879}}^1$

素因数の和:7949

約数の個数: 96

約数和(自身を含む): 3050127360

約数和(自身を除く): 1771239596

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 31, 34, 44, 62, 68, 77, 119, 124, 154, 187, 217, 238, 308, 341, 374, 434, 476, 527, 682, 748, 868, 1054, 1309, 1364, 2108, 2387, 2618, 3689, 4774, 5236, 5797, 7378, 7879, 9548, 11594, 14756, 15758, 23188, 31516, 40579, 55153, 81158, 86669, 110306, 133943, 162316, 173338, 220612, 244249, 267886, 346676, 488498, 535772, 606683, 937601, 976996, 1213366, 1473373, 1709743, 1875202, 2426732, 2686739, 2946746, 3419486, 3750404, 4152233, 5373478, 5893492, 6838972, 8304466, 10313611, 10746956, 16608932, 18807173, 20627222, 29065631, 37614346, 41254444, 45674563, 58131262, 75228692, 91349126, 116262524, 182698252, 319721941, 639443882, 1278887764]

約数ペア:

[(1, 1278887764), (2, 639443882), (4, 319721941), (7, 182698252), (11, 116262524), (14, 91349126), (17, 75228692), (22, 58131262), (28, 45674563), (31, 41254444), (34, 37614346), (44, 29065631), (62, 20627222), (68, 18807173), (77, 16608932), (119, 10746956), (124, 10313611), (154, 8304466), (187, 6838972), (217, 5893492), (238, 5373478), (308, 4152233), (341, 3750404), (374, 3419486), (434, 2946746), (476, 2686739), (527, 2426732), (682, 1875202), (748, 1709743), (868, 1473373), (1054, 1213366), (1309, 976996), (1364, 937601), (2108, 606683), (2387, 535772), (2618, 488498), (3689, 346676), (4774, 267886), (5236, 244249), (5797, 220612), (7378, 173338), (7879, 162316), (9548, 133943), (11594, 110306), (14756, 86669), (15758, 81158), (23188, 55153), (31516, 40579)]