398854784

素因数分解:

$2^7\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{397}}^1$

素因数の和:625

約数の個数: 64

約数和(自身を含む): 818415360

約数和(自身を除く): 419560576

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 128, 167, 188, 334, 376, 397, 668, 752, 794, 1336, 1504, 1588, 2672, 3008, 3176, 5344, 6016, 6352, 7849, 10688, 12704, 15698, 18659, 21376, 25408, 31396, 37318, 50816, 62792, 66299, 74636, 125584, 132598, 149272, 251168, 265196, 298544, 502336, 530392, 597088, 1004672, 1060784, 1194176, 2121568, 2388352, 3116053, 4243136, 6232106, 8486272, 12464212, 24928424, 49856848, 99713696, 199427392, 398854784]

約数ペア:

[(1, 398854784), (2, 199427392), (4, 99713696), (8, 49856848), (16, 24928424), (32, 12464212), (47, 8486272), (64, 6232106), (94, 4243136), (128, 3116053), (167, 2388352), (188, 2121568), (334, 1194176), (376, 1060784), (397, 1004672), (668, 597088), (752, 530392), (794, 502336), (1336, 298544), (1504, 265196), (1588, 251168), (2672, 149272), (3008, 132598), (3176, 125584), (5344, 74636), (6016, 66299), (6352, 62792), (7849, 50816), (10688, 37318), (12704, 31396), (15698, 25408), (18659, 21376)]