31783164

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{283}}^1$

素因数の和:495

約数の個数: 72

約数和(自身を含む): 87026688

約数和(自身を除く): 55243524

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 191, 196, 283, 294, 382, 566, 573, 588, 764, 849, 1132, 1146, 1337, 1698, 1981, 2292, 2674, 3396, 3962, 4011, 5348, 5943, 7924, 8022, 9359, 11886, 13867, 16044, 18718, 23772, 27734, 28077, 37436, 41601, 54053, 55468, 56154, 83202, 108106, 112308, 162159, 166404, 216212, 324318, 378371, 648636, 756742, 1135113, 1513484, 2270226, 2648597, 4540452, 5297194, 7945791, 10594388, 15891582, 31783164]

約数ペア:

[(1, 31783164), (2, 15891582), (3, 10594388), (4, 7945791), (6, 5297194), (7, 4540452), (12, 2648597), (14, 2270226), (21, 1513484), (28, 1135113), (42, 756742), (49, 648636), (84, 378371), (98, 324318), (147, 216212), (191, 166404), (196, 162159), (283, 112308), (294, 108106), (382, 83202), (566, 56154), (573, 55468), (588, 54053), (764, 41601), (849, 37436), (1132, 28077), (1146, 27734), (1337, 23772), (1698, 18718), (1981, 16044), (2292, 13867), (2674, 11886), (3396, 9359), (3962, 8022), (4011, 7924), (5348, 5943)]