259925406

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:521

約数の個数: 64

約数和(自身を含む): 572866560

約数和(自身を除く): 312941154

約数列:

[1, 2, 3, 6, 13, 26, 39, 73, 78, 146, 191, 219, 239, 382, 438, 478, 573, 717, 949, 1146, 1434, 1898, 2483, 2847, 3107, 4966, 5694, 6214, 7449, 9321, 13943, 14898, 17447, 18642, 27886, 34894, 41829, 45649, 52341, 83658, 91298, 104682, 136947, 181259, 226811, 273894, 362518, 453622, 543777, 593437, 680433, 1087554, 1186874, 1360866, 1780311, 3332377, 3560622, 6664754, 9997131, 19994262, 43320901, 86641802, 129962703, 259925406]

約数ペア:

[(1, 259925406), (2, 129962703), (3, 86641802), (6, 43320901), (13, 19994262), (26, 9997131), (39, 6664754), (73, 3560622), (78, 3332377), (146, 1780311), (191, 1360866), (219, 1186874), (239, 1087554), (382, 680433), (438, 593437), (478, 543777), (573, 453622), (717, 362518), (949, 273894), (1146, 226811), (1434, 181259), (1898, 136947), (2483, 104682), (2847, 91298), (3107, 83658), (4966, 52341), (5694, 45649), (6214, 41829), (7449, 34894), (9321, 27886), (13943, 18642), (14898, 17447)]