215399792

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{1259}}^1$

素因数の和:1338

約数の個数: 60

約数和(自身を含む): 455673960

約数和(自身を除く): 240274168

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 68, 74, 136, 148, 272, 289, 296, 578, 592, 629, 1156, 1258, 1259, 2312, 2516, 2518, 4624, 5032, 5036, 10064, 10072, 10693, 20144, 21386, 21403, 42772, 42806, 46583, 85544, 85612, 93166, 171088, 171224, 186332, 342448, 363851, 372664, 727702, 745328, 791911, 1455404, 1583822, 2910808, 3167644, 5821616, 6335288, 12670576, 13462487, 26924974, 53849948, 107699896, 215399792]

約数ペア:

[(1, 215399792), (2, 107699896), (4, 53849948), (8, 26924974), (16, 13462487), (17, 12670576), (34, 6335288), (37, 5821616), (68, 3167644), (74, 2910808), (136, 1583822), (148, 1455404), (272, 791911), (289, 745328), (296, 727702), (578, 372664), (592, 363851), (629, 342448), (1156, 186332), (1258, 171224), (1259, 171088), (2312, 93166), (2516, 85612), (2518, 85544), (4624, 46583), (5032, 42806), (5036, 42772), (10064, 21403), (10072, 21386), (10693, 20144)]