254078526

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{991}}^1$

素因数の和:1201

約数の個数: 64

約数和(自身を含む): 579962880

約数和(自身を除く): 325884354

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 173, 247, 346, 494, 519, 741, 991, 1038, 1482, 1982, 2249, 2973, 3287, 4498, 5946, 6574, 6747, 9861, 12883, 13494, 18829, 19722, 25766, 37658, 38649, 42731, 56487, 77298, 85462, 112974, 128193, 171443, 244777, 256386, 342886, 489554, 514329, 734331, 1028658, 1468662, 2228759, 3257417, 4457518, 6514834, 6686277, 9772251, 13372554, 19544502, 42346421, 84692842, 127039263, 254078526]

約数ペア:

[(1, 254078526), (2, 127039263), (3, 84692842), (6, 42346421), (13, 19544502), (19, 13372554), (26, 9772251), (38, 6686277), (39, 6514834), (57, 4457518), (78, 3257417), (114, 2228759), (173, 1468662), (247, 1028658), (346, 734331), (494, 514329), (519, 489554), (741, 342886), (991, 256386), (1038, 244777), (1482, 171443), (1982, 128193), (2249, 112974), (2973, 85462), (3287, 77298), (4498, 56487), (5946, 42731), (6574, 38649), (6747, 37658), (9861, 25766), (12883, 19722), (13494, 18829)]