321998992

素因数分解:

$2^4\times 7^2\times {\mathrm{61}}^1\times {\mathrm{6733}}^1$

素因数の和:6816

約数の個数: 60

約数和(自身を含む): 737736636

約数和(自身を除く): 415737644

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 61, 98, 112, 122, 196, 244, 392, 427, 488, 784, 854, 976, 1708, 2989, 3416, 5978, 6733, 6832, 11956, 13466, 23912, 26932, 47131, 47824, 53864, 94262, 107728, 188524, 329917, 377048, 410713, 659834, 754096, 821426, 1319668, 1642852, 2639336, 2874991, 3285704, 5278672, 5749982, 6571408, 11499964, 20124937, 22999928, 40249874, 45999856, 80499748, 160999496, 321998992]

約数ペア:

[(1, 321998992), (2, 160999496), (4, 80499748), (7, 45999856), (8, 40249874), (14, 22999928), (16, 20124937), (28, 11499964), (49, 6571408), (56, 5749982), (61, 5278672), (98, 3285704), (112, 2874991), (122, 2639336), (196, 1642852), (244, 1319668), (392, 821426), (427, 754096), (488, 659834), (784, 410713), (854, 377048), (976, 329917), (1708, 188524), (2989, 107728), (3416, 94262), (5978, 53864), (6733, 47824), (6832, 47131), (11956, 26932), (13466, 23912)]