28238768

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:270

約数の個数: 60

約数和(自身を含む): 60299712

約数和(自身を除く): 32060944

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 197, 248, 272, 289, 394, 496, 527, 578, 788, 1054, 1156, 1576, 2108, 2312, 3152, 3349, 4216, 4624, 6107, 6698, 8432, 8959, 12214, 13396, 17918, 24428, 26792, 35836, 48856, 53584, 56933, 71672, 97712, 103819, 113866, 143344, 207638, 227732, 415276, 455464, 830552, 910928, 1661104, 1764923, 3529846, 7059692, 14119384, 28238768]

約数ペア:

[(1, 28238768), (2, 14119384), (4, 7059692), (8, 3529846), (16, 1764923), (17, 1661104), (31, 910928), (34, 830552), (62, 455464), (68, 415276), (124, 227732), (136, 207638), (197, 143344), (248, 113866), (272, 103819), (289, 97712), (394, 71672), (496, 56933), (527, 53584), (578, 48856), (788, 35836), (1054, 26792), (1156, 24428), (1576, 17918), (2108, 13396), (2312, 12214), (3152, 8959), (3349, 8432), (4216, 6698), (4624, 6107)]