254734256

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{397}}^1$

素因数の和:766

約数の個数: 80

約数和(自身を含む): 600515136

約数和(自身を除く): 345780880

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 337, 397, 476, 674, 794, 952, 1348, 1588, 1904, 2359, 2696, 2779, 3176, 4718, 5392, 5558, 5729, 6352, 6749, 9436, 11116, 11458, 13498, 18872, 22232, 22916, 26996, 37744, 40103, 44464, 45832, 47243, 53992, 80206, 91664, 94486, 107984, 133789, 160412, 188972, 267578, 320824, 377944, 535156, 641648, 755888, 936523, 1070312, 1873046, 2140624, 2274413, 3746092, 4548826, 7492184, 9097652, 14984368, 15920891, 18195304, 31841782, 36390608, 63683564, 127367128, 254734256]

約数ペア:

[(1, 254734256), (2, 127367128), (4, 63683564), (7, 36390608), (8, 31841782), (14, 18195304), (16, 15920891), (17, 14984368), (28, 9097652), (34, 7492184), (56, 4548826), (68, 3746092), (112, 2274413), (119, 2140624), (136, 1873046), (238, 1070312), (272, 936523), (337, 755888), (397, 641648), (476, 535156), (674, 377944), (794, 320824), (952, 267578), (1348, 188972), (1588, 160412), (1904, 133789), (2359, 107984), (2696, 94486), (2779, 91664), (3176, 80206), (4718, 53992), (5392, 47243), (5558, 45832), (5729, 44464), (6352, 40103), (6749, 37744), (9436, 26996), (11116, 22916), (11458, 22232), (13498, 18872)]