799998896

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:430

約数の個数: 80

約数和(自身を含む): 1646585088

約数和(自身を除く): 846586192

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 122, 124, 137, 193, 244, 248, 274, 386, 488, 496, 548, 772, 976, 1096, 1544, 1891, 2192, 3088, 3782, 4247, 5983, 7564, 8357, 8494, 11773, 11966, 15128, 16714, 16988, 23546, 23932, 26441, 30256, 33428, 33976, 47092, 47864, 52882, 66856, 67952, 94184, 95728, 105764, 133712, 188368, 211528, 259067, 364963, 423056, 518134, 729926, 819671, 1036268, 1459852, 1612901, 1639342, 2072536, 2919704, 3225802, 3278684, 4145072, 5839408, 6451604, 6557368, 12903208, 13114736, 25806416, 49999931, 99999862, 199999724, 399999448, 799998896]

約数ペア:

[(1, 799998896), (2, 399999448), (4, 199999724), (8, 99999862), (16, 49999931), (31, 25806416), (61, 13114736), (62, 12903208), (122, 6557368), (124, 6451604), (137, 5839408), (193, 4145072), (244, 3278684), (248, 3225802), (274, 2919704), (386, 2072536), (488, 1639342), (496, 1612901), (548, 1459852), (772, 1036268), (976, 819671), (1096, 729926), (1544, 518134), (1891, 423056), (2192, 364963), (3088, 259067), (3782, 211528), (4247, 188368), (5983, 133712), (7564, 105764), (8357, 95728), (8494, 94184), (11773, 67952), (11966, 66856), (15128, 52882), (16714, 47864), (16988, 47092), (23546, 33976), (23932, 33428), (26441, 30256)]