28186928

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1$

素因数の和:330

約数の個数: 80

約数和(自身を含む): 68995584

約数和(自身を除く): 40808656

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 137, 154, 167, 176, 274, 308, 334, 548, 616, 668, 959, 1096, 1169, 1232, 1336, 1507, 1837, 1918, 2192, 2338, 2672, 3014, 3674, 3836, 4676, 6028, 7348, 7672, 9352, 10549, 12056, 12859, 14696, 15344, 18704, 21098, 22879, 24112, 25718, 29392, 42196, 45758, 51436, 84392, 91516, 102872, 160153, 168784, 183032, 205744, 251669, 320306, 366064, 503338, 640612, 1006676, 1281224, 1761683, 2013352, 2562448, 3523366, 4026704, 7046732, 14093464, 28186928]

約数ペア:

[(1, 28186928), (2, 14093464), (4, 7046732), (7, 4026704), (8, 3523366), (11, 2562448), (14, 2013352), (16, 1761683), (22, 1281224), (28, 1006676), (44, 640612), (56, 503338), (77, 366064), (88, 320306), (112, 251669), (137, 205744), (154, 183032), (167, 168784), (176, 160153), (274, 102872), (308, 91516), (334, 84392), (548, 51436), (616, 45758), (668, 42196), (959, 29392), (1096, 25718), (1169, 24112), (1232, 22879), (1336, 21098), (1507, 18704), (1837, 15344), (1918, 14696), (2192, 12859), (2338, 12056), (2672, 10549), (3014, 9352), (3674, 7672), (3836, 7348), (4676, 6028)]