127721916

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{17477}}^1$

素因数の和:17523

約数の個数: 72

約数和(自身を含む): 381719520

約数和(自身を除く): 253997604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 3654, 7308, 17477, 34954, 52431, 69908, 104862, 122339, 157293, 209724, 244678, 314586, 367017, 489356, 506833, 629172, 734034, 1013666, 1101051, 1468068, 1520499, 2027332, 2202102, 3040998, 3547831, 4404204, 4561497, 6081996, 7095662, 9122994, 10643493, 14191324, 18245988, 21286986, 31930479, 42573972, 63860958, 127721916]

約数ペア:

[(1, 127721916), (2, 63860958), (3, 42573972), (4, 31930479), (6, 21286986), (7, 18245988), (9, 14191324), (12, 10643493), (14, 9122994), (18, 7095662), (21, 6081996), (28, 4561497), (29, 4404204), (36, 3547831), (42, 3040998), (58, 2202102), (63, 2027332), (84, 1520499), (87, 1468068), (116, 1101051), (126, 1013666), (174, 734034), (203, 629172), (252, 506833), (261, 489356), (348, 367017), (406, 314586), (522, 244678), (609, 209724), (812, 157293), (1044, 122339), (1218, 104862), (1827, 69908), (2436, 52431), (3654, 34954), (7308, 17477)]