81602052

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1297}}^1$

素因数の和:1425

約数の個数: 72

約数和(自身を含む): 223733664

約数和(自身を除く): 142131612

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 107, 147, 196, 214, 294, 321, 428, 588, 642, 749, 1284, 1297, 1498, 2247, 2594, 2996, 3891, 4494, 5188, 5243, 7782, 8988, 9079, 10486, 15564, 15729, 18158, 20972, 27237, 31458, 36316, 54474, 62916, 63553, 108948, 127106, 138779, 190659, 254212, 277558, 381318, 416337, 555116, 762636, 832674, 971453, 1665348, 1942906, 2914359, 3885812, 5828718, 6800171, 11657436, 13600342, 20400513, 27200684, 40801026, 81602052]

約数ペア:

[(1, 81602052), (2, 40801026), (3, 27200684), (4, 20400513), (6, 13600342), (7, 11657436), (12, 6800171), (14, 5828718), (21, 3885812), (28, 2914359), (42, 1942906), (49, 1665348), (84, 971453), (98, 832674), (107, 762636), (147, 555116), (196, 416337), (214, 381318), (294, 277558), (321, 254212), (428, 190659), (588, 138779), (642, 127106), (749, 108948), (1284, 63553), (1297, 62916), (1498, 54474), (2247, 36316), (2594, 31458), (2996, 27237), (3891, 20972), (4494, 18158), (5188, 15729), (5243, 15564), (7782, 10486), (8988, 9079)]