81995928

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1801}}^1$

素因数の和:2088

約数の個数: 64

約数和(自身を含む): 235269120

約数和(自身を除く): 153273192

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 271, 542, 813, 1084, 1626, 1801, 1897, 2168, 3252, 3602, 3794, 5403, 5691, 6504, 7204, 7588, 10806, 11382, 12607, 14408, 15176, 21612, 22764, 25214, 37821, 43224, 45528, 50428, 75642, 100856, 151284, 302568, 488071, 976142, 1464213, 1952284, 2928426, 3416497, 3904568, 5856852, 6832994, 10249491, 11713704, 13665988, 20498982, 27331976, 40997964, 81995928]

約数ペア:

[(1, 81995928), (2, 40997964), (3, 27331976), (4, 20498982), (6, 13665988), (7, 11713704), (8, 10249491), (12, 6832994), (14, 5856852), (21, 3904568), (24, 3416497), (28, 2928426), (42, 1952284), (56, 1464213), (84, 976142), (168, 488071), (271, 302568), (542, 151284), (813, 100856), (1084, 75642), (1626, 50428), (1801, 45528), (1897, 43224), (2168, 37821), (3252, 25214), (3602, 22764), (3794, 21612), (5403, 15176), (5691, 14408), (6504, 12607), (7204, 11382), (7588, 10806)]