247578732

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{263}}^1\times {\mathrm{331}}^1$

素因数の和:683

約数の個数: 72

約数和(自身を含む): 638077440

約数和(自身を除く): 390498708

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 263, 316, 331, 474, 526, 662, 711, 789, 948, 993, 1052, 1324, 1422, 1578, 1986, 2367, 2844, 2979, 3156, 3972, 4734, 5958, 9468, 11916, 20777, 26149, 41554, 52298, 62331, 78447, 83108, 87053, 104596, 124662, 156894, 174106, 186993, 235341, 249324, 261159, 313788, 348212, 373986, 470682, 522318, 747972, 783477, 941364, 1044636, 1566954, 3133908, 6877187, 13754374, 20631561, 27508748, 41263122, 61894683, 82526244, 123789366, 247578732]

約数ペア:

[(1, 247578732), (2, 123789366), (3, 82526244), (4, 61894683), (6, 41263122), (9, 27508748), (12, 20631561), (18, 13754374), (36, 6877187), (79, 3133908), (158, 1566954), (237, 1044636), (263, 941364), (316, 783477), (331, 747972), (474, 522318), (526, 470682), (662, 373986), (711, 348212), (789, 313788), (948, 261159), (993, 249324), (1052, 235341), (1324, 186993), (1422, 174106), (1578, 156894), (1986, 124662), (2367, 104596), (2844, 87053), (2979, 83108), (3156, 78447), (3972, 62331), (4734, 52298), (5958, 41554), (9468, 26149), (11916, 20777)]