68439084

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{487}}^1$

素因数の和:747

約数の個数: 72

約数和(自身を含む): 186923520

約数和(自身を除く): 118484436

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 239, 294, 478, 487, 588, 717, 956, 974, 1434, 1461, 1673, 1948, 2868, 2922, 3346, 3409, 5019, 5844, 6692, 6818, 10038, 10227, 11711, 13636, 20076, 20454, 23422, 23863, 35133, 40908, 46844, 47726, 70266, 71589, 95452, 116393, 140532, 143178, 232786, 286356, 349179, 465572, 698358, 814751, 1396716, 1629502, 2444253, 3259004, 4888506, 5703257, 9777012, 11406514, 17109771, 22813028, 34219542, 68439084]

約数ペア:

[(1, 68439084), (2, 34219542), (3, 22813028), (4, 17109771), (6, 11406514), (7, 9777012), (12, 5703257), (14, 4888506), (21, 3259004), (28, 2444253), (42, 1629502), (49, 1396716), (84, 814751), (98, 698358), (147, 465572), (196, 349179), (239, 286356), (294, 232786), (478, 143178), (487, 140532), (588, 116393), (717, 95452), (956, 71589), (974, 70266), (1434, 47726), (1461, 46844), (1673, 40908), (1948, 35133), (2868, 23863), (2922, 23422), (3346, 20454), (3409, 20076), (5019, 13636), (5844, 11711), (6692, 10227), (6818, 10038)]