25781886

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{461}}^1$

素因数の和:721

約数の個数: 48

約数和(自身を含む): 60540480

約数和(自身を除く): 34758594

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 239, 461, 478, 717, 922, 1383, 1434, 2151, 2766, 3107, 4149, 4302, 5993, 6214, 8298, 9321, 11986, 17979, 18642, 27963, 35958, 53937, 55926, 107874, 110179, 220358, 330537, 661074, 991611, 1432327, 1983222, 2864654, 4296981, 8593962, 12890943, 25781886]

約数ペア:

[(1, 25781886), (2, 12890943), (3, 8593962), (6, 4296981), (9, 2864654), (13, 1983222), (18, 1432327), (26, 991611), (39, 661074), (78, 330537), (117, 220358), (234, 110179), (239, 107874), (461, 55926), (478, 53937), (717, 35958), (922, 27963), (1383, 18642), (1434, 17979), (2151, 11986), (2766, 9321), (3107, 8298), (4149, 6214), (4302, 5993)]