278399697478

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{373}}^1\times {\mathrm{7529}}^1$

素因数の和:8081

約数の個数: 64

約数和(自身を含む): 490157458560

約数和(自身を除く): 211757761082

約数列:

[1, 2, 7, 14, 73, 97, 146, 194, 373, 511, 679, 746, 1022, 1358, 2611, 5222, 7081, 7529, 14162, 15058, 27229, 36181, 49567, 52703, 54458, 72362, 99134, 105406, 190603, 253267, 381206, 506534, 549617, 730313, 1099234, 1460626, 2641213, 2808317, 3847319, 5112191, 5282426, 5616634, 7694638, 10224382, 18488491, 19658219, 36976982, 39316438, 53312849, 106625698, 205007141, 272406749, 373189943, 410014282, 544813498, 746379886, 1435049987, 1906847243, 2870099974, 3813694486, 19885692677, 39771385354, 139199848739, 278399697478]

約数ペア:

[(1, 278399697478), (2, 139199848739), (7, 39771385354), (14, 19885692677), (73, 3813694486), (97, 2870099974), (146, 1906847243), (194, 1435049987), (373, 746379886), (511, 544813498), (679, 410014282), (746, 373189943), (1022, 272406749), (1358, 205007141), (2611, 106625698), (5222, 53312849), (7081, 39316438), (7529, 36976982), (14162, 19658219), (15058, 18488491), (27229, 10224382), (36181, 7694638), (49567, 5616634), (52703, 5282426), (54458, 5112191), (72362, 3847319), (99134, 2808317), (105406, 2641213), (190603, 1460626), (253267, 1099234), (381206, 730313), (506534, 549617)]