28431616

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 61810560

約数和(自身を除く): 33378944

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 47, 64, 68, 94, 128, 136, 139, 188, 256, 272, 278, 376, 544, 556, 752, 799, 1088, 1112, 1504, 1598, 2176, 2224, 2363, 3008, 3196, 4352, 4448, 4726, 6016, 6392, 6533, 8896, 9452, 12032, 12784, 13066, 17792, 18904, 25568, 26132, 35584, 37808, 51136, 52264, 75616, 102272, 104528, 111061, 151232, 204544, 209056, 222122, 302464, 418112, 444244, 604928, 836224, 888488, 1672448, 1776976, 3553952, 7107904, 14215808, 28431616]

約数ペア:

[(1, 28431616), (2, 14215808), (4, 7107904), (8, 3553952), (16, 1776976), (17, 1672448), (32, 888488), (34, 836224), (47, 604928), (64, 444244), (68, 418112), (94, 302464), (128, 222122), (136, 209056), (139, 204544), (188, 151232), (256, 111061), (272, 104528), (278, 102272), (376, 75616), (544, 52264), (556, 51136), (752, 37808), (799, 35584), (1088, 26132), (1112, 25568), (1504, 18904), (1598, 17792), (2176, 13066), (2224, 12784), (2363, 12032), (3008, 9452), (3196, 8896), (4352, 6533), (4448, 6392), (4726, 6016)]