389872644

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{65371}}^1$

素因数の和:65456

約数の個数: 48

約数和(自身を含む): 1054319616

約数和(自身を除く): 664446972

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 5964, 65371, 130742, 196113, 261484, 392226, 457597, 784452, 915194, 1372791, 1830388, 2745582, 4641341, 5491164, 9282682, 13924023, 18565364, 27848046, 32489387, 55696092, 64978774, 97468161, 129957548, 194936322, 389872644]

約数ペア:

[(1, 389872644), (2, 194936322), (3, 129957548), (4, 97468161), (6, 64978774), (7, 55696092), (12, 32489387), (14, 27848046), (21, 18565364), (28, 13924023), (42, 9282682), (71, 5491164), (84, 4641341), (142, 2745582), (213, 1830388), (284, 1372791), (426, 915194), (497, 784452), (852, 457597), (994, 392226), (1491, 261484), (1988, 196113), (2982, 130742), (5964, 65371)]