25641236

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{541}}^1$

素因数の和:620

約数の個数: 36

約数和(自身を含む): 48919836

約数和(自身を除く): 23278600

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 164, 289, 541, 578, 697, 1082, 1156, 1394, 2164, 2788, 9197, 11849, 18394, 22181, 23698, 36788, 44362, 47396, 88724, 156349, 312698, 377077, 625396, 754154, 1508308, 6410309, 12820618, 25641236]

約数ペア:

[(1, 25641236), (2, 12820618), (4, 6410309), (17, 1508308), (34, 754154), (41, 625396), (68, 377077), (82, 312698), (164, 156349), (289, 88724), (541, 47396), (578, 44362), (697, 36788), (1082, 23698), (1156, 22181), (1394, 18394), (2164, 11849), (2788, 9197)]