778832512

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1993}}^1$

素因数の和:2121

約数の個数: 64

約数和(自身を含む): 1610832960

約数和(自身を除く): 832000448

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 71, 86, 128, 142, 172, 284, 344, 568, 688, 1136, 1376, 1993, 2272, 2752, 3053, 3986, 4544, 5504, 6106, 7972, 9088, 12212, 15944, 24424, 31888, 48848, 63776, 85699, 97696, 127552, 141503, 171398, 195392, 255104, 283006, 342796, 390784, 566012, 685592, 1132024, 1371184, 2264048, 2742368, 4528096, 5484736, 6084629, 9056192, 10969472, 12169258, 18112384, 24338516, 48677032, 97354064, 194708128, 389416256, 778832512]

約数ペア:

[(1, 778832512), (2, 389416256), (4, 194708128), (8, 97354064), (16, 48677032), (32, 24338516), (43, 18112384), (64, 12169258), (71, 10969472), (86, 9056192), (128, 6084629), (142, 5484736), (172, 4528096), (284, 2742368), (344, 2264048), (568, 1371184), (688, 1132024), (1136, 685592), (1376, 566012), (1993, 390784), (2272, 342796), (2752, 283006), (3053, 255104), (3986, 195392), (4544, 171398), (5504, 141503), (6106, 127552), (7972, 97696), (9088, 85699), (12212, 63776), (15944, 48848), (24424, 31888)]