258871886

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2699}}^1$

素因数の和:2769

約数の個数: 64

約数和(自身を含む): 522547200

約数和(自身を除く): 263675314

約数列:

[1, 2, 7, 13, 14, 17, 26, 31, 34, 62, 91, 119, 182, 217, 221, 238, 403, 434, 442, 527, 806, 1054, 1547, 2699, 2821, 3094, 3689, 5398, 5642, 6851, 7378, 13702, 18893, 35087, 37786, 45883, 47957, 70174, 83669, 91766, 95914, 167338, 245609, 321181, 491218, 585683, 596479, 642362, 1087697, 1171366, 1192958, 1422373, 2175394, 2844746, 4175353, 7613879, 8350706, 9956611, 15227758, 18490849, 19913222, 36981698, 129435943, 258871886]

約数ペア:

[(1, 258871886), (2, 129435943), (7, 36981698), (13, 19913222), (14, 18490849), (17, 15227758), (26, 9956611), (31, 8350706), (34, 7613879), (62, 4175353), (91, 2844746), (119, 2175394), (182, 1422373), (217, 1192958), (221, 1171366), (238, 1087697), (403, 642362), (434, 596479), (442, 585683), (527, 491218), (806, 321181), (1054, 245609), (1547, 167338), (2699, 95914), (2821, 91766), (3094, 83669), (3689, 70174), (5398, 47957), (5642, 45883), (6851, 37786), (7378, 35087), (13702, 18893)]