205538944

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{829}}^1$

素因数の和:1005

約数の個数: 64

約数和(自身を含む): 444465000

約数和(自身を除く): 238926056

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 149, 208, 298, 416, 596, 829, 832, 1192, 1658, 1664, 1937, 2384, 3316, 3874, 4768, 6632, 7748, 9536, 10777, 13264, 15496, 19072, 21554, 26528, 30992, 43108, 53056, 61984, 86216, 106112, 123521, 123968, 172432, 247042, 247936, 344864, 494084, 689728, 988168, 1379456, 1605773, 1976336, 3211546, 3952672, 6423092, 7905344, 12846184, 15810688, 25692368, 51384736, 102769472, 205538944]

約数ペア:

[(1, 205538944), (2, 102769472), (4, 51384736), (8, 25692368), (13, 15810688), (16, 12846184), (26, 7905344), (32, 6423092), (52, 3952672), (64, 3211546), (104, 1976336), (128, 1605773), (149, 1379456), (208, 988168), (298, 689728), (416, 494084), (596, 344864), (829, 247936), (832, 247042), (1192, 172432), (1658, 123968), (1664, 123521), (1937, 106112), (2384, 86216), (3316, 61984), (3874, 53056), (4768, 43108), (6632, 30992), (7748, 26528), (9536, 21554), (10777, 19072), (13264, 15496)]