31718988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{659}}^1$

素因数の和:867

約数の個数: 72

約数和(自身を含む): 92252160

約数和(自身を除く): 60533172

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 191, 252, 382, 573, 659, 764, 1146, 1318, 1337, 1719, 1977, 2292, 2636, 2674, 3438, 3954, 4011, 4613, 5348, 5931, 6876, 7908, 8022, 9226, 11862, 12033, 13839, 16044, 18452, 23724, 24066, 27678, 41517, 48132, 55356, 83034, 125869, 166068, 251738, 377607, 503476, 755214, 881083, 1132821, 1510428, 1762166, 2265642, 2643249, 3524332, 4531284, 5286498, 7929747, 10572996, 15859494, 31718988]

約数ペア:

[(1, 31718988), (2, 15859494), (3, 10572996), (4, 7929747), (6, 5286498), (7, 4531284), (9, 3524332), (12, 2643249), (14, 2265642), (18, 1762166), (21, 1510428), (28, 1132821), (36, 881083), (42, 755214), (63, 503476), (84, 377607), (126, 251738), (191, 166068), (252, 125869), (382, 83034), (573, 55356), (659, 48132), (764, 41517), (1146, 27678), (1318, 24066), (1337, 23724), (1719, 18452), (1977, 16044), (2292, 13839), (2636, 12033), (2674, 11862), (3438, 9226), (3954, 8022), (4011, 7908), (4613, 6876), (5348, 5931)]