331888648

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{6421}}^1$

素因数の和:6518

約数の個数: 64

約数和(自身を含む): 776805120

約数和(自身を除く): 444916472

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 71, 91, 104, 142, 182, 284, 364, 497, 568, 728, 923, 994, 1846, 1988, 3692, 3976, 6421, 6461, 7384, 12842, 12922, 25684, 25844, 44947, 51368, 51688, 83473, 89894, 166946, 179788, 333892, 359576, 455891, 584311, 667784, 911782, 1168622, 1823564, 2337244, 3191237, 3647128, 4674488, 5926583, 6382474, 11853166, 12764948, 23706332, 25529896, 41486081, 47412664, 82972162, 165944324, 331888648]

約数ペア:

[(1, 331888648), (2, 165944324), (4, 82972162), (7, 47412664), (8, 41486081), (13, 25529896), (14, 23706332), (26, 12764948), (28, 11853166), (52, 6382474), (56, 5926583), (71, 4674488), (91, 3647128), (104, 3191237), (142, 2337244), (182, 1823564), (284, 1168622), (364, 911782), (497, 667784), (568, 584311), (728, 455891), (923, 359576), (994, 333892), (1846, 179788), (1988, 166946), (3692, 89894), (3976, 83473), (6421, 51688), (6461, 51368), (7384, 44947), (12842, 25844), (12922, 25684)]