71728356

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{613}}^1$

素因数の和:833

約数の個数: 72

約数和(自身を含む): 195988800

約数和(自身を除く): 124260444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 199, 294, 398, 588, 597, 613, 796, 1194, 1226, 1393, 1839, 2388, 2452, 2786, 3678, 4179, 4291, 5572, 7356, 8358, 8582, 9751, 12873, 16716, 17164, 19502, 25746, 29253, 30037, 39004, 51492, 58506, 60074, 90111, 117012, 120148, 121987, 180222, 243974, 360444, 365961, 487948, 731922, 853909, 1463844, 1707818, 2561727, 3415636, 5123454, 5977363, 10246908, 11954726, 17932089, 23909452, 35864178, 71728356]

約数ペア:

[(1, 71728356), (2, 35864178), (3, 23909452), (4, 17932089), (6, 11954726), (7, 10246908), (12, 5977363), (14, 5123454), (21, 3415636), (28, 2561727), (42, 1707818), (49, 1463844), (84, 853909), (98, 731922), (147, 487948), (196, 365961), (199, 360444), (294, 243974), (398, 180222), (588, 121987), (597, 120148), (613, 117012), (796, 90111), (1194, 60074), (1226, 58506), (1393, 51492), (1839, 39004), (2388, 30037), (2452, 29253), (2786, 25746), (3678, 19502), (4179, 17164), (4291, 16716), (5572, 12873), (7356, 9751), (8358, 8582)]