31670716

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{107}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 72067968

約数和(自身を除く): 40397252

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 107, 124, 154, 214, 217, 308, 341, 428, 434, 682, 749, 868, 961, 1177, 1364, 1498, 1922, 2354, 2387, 2996, 3317, 3844, 4708, 4774, 6634, 6727, 8239, 9548, 10571, 13268, 13454, 16478, 21142, 23219, 26908, 32956, 36487, 42284, 46438, 72974, 73997, 92876, 102827, 145948, 147994, 205654, 255409, 295988, 411308, 510818, 719789, 1021636, 1131097, 1439578, 2262194, 2879156, 4524388, 7917679, 15835358, 31670716]

約数ペア:

[(1, 31670716), (2, 15835358), (4, 7917679), (7, 4524388), (11, 2879156), (14, 2262194), (22, 1439578), (28, 1131097), (31, 1021636), (44, 719789), (62, 510818), (77, 411308), (107, 295988), (124, 255409), (154, 205654), (214, 147994), (217, 145948), (308, 102827), (341, 92876), (428, 73997), (434, 72974), (682, 46438), (749, 42284), (868, 36487), (961, 32956), (1177, 26908), (1364, 23219), (1498, 21142), (1922, 16478), (2354, 13454), (2387, 13268), (2996, 10571), (3317, 9548), (3844, 8239), (4708, 6727), (4774, 6634)]