221122968

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:389

約数の個数: 128

約数和(自身を含む): 627056640

約数和(自身を除く): 405933672

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 47, 66, 71, 88, 94, 132, 141, 142, 188, 213, 251, 264, 282, 284, 376, 426, 502, 517, 564, 568, 753, 781, 852, 1004, 1034, 1128, 1506, 1551, 1562, 1704, 2008, 2068, 2343, 2761, 3012, 3102, 3124, 3337, 4136, 4686, 5522, 6024, 6204, 6248, 6674, 8283, 9372, 10011, 11044, 11797, 12408, 13348, 16566, 17821, 18744, 20022, 22088, 23594, 26696, 33132, 35391, 35642, 36707, 40044, 47188, 53463, 66264, 70782, 71284, 73414, 80088, 94376, 106926, 110121, 129767, 141564, 142568, 146828, 196031, 213852, 220242, 259534, 283128, 293656, 389301, 392062, 427704, 440484, 519068, 588093, 778602, 784124, 837587, 880968, 1038136, 1176186, 1557204, 1568248, 1675174, 2352372, 2512761, 3114408, 3350348, 4704744, 5025522, 6700696, 9213457, 10051044, 18426914, 20102088, 27640371, 36853828, 55280742, 73707656, 110561484, 221122968]

約数ペア:

[(1, 221122968), (2, 110561484), (3, 73707656), (4, 55280742), (6, 36853828), (8, 27640371), (11, 20102088), (12, 18426914), (22, 10051044), (24, 9213457), (33, 6700696), (44, 5025522), (47, 4704744), (66, 3350348), (71, 3114408), (88, 2512761), (94, 2352372), (132, 1675174), (141, 1568248), (142, 1557204), (188, 1176186), (213, 1038136), (251, 880968), (264, 837587), (282, 784124), (284, 778602), (376, 588093), (426, 519068), (502, 440484), (517, 427704), (564, 392062), (568, 389301), (753, 293656), (781, 283128), (852, 259534), (1004, 220242), (1034, 213852), (1128, 196031), (1506, 146828), (1551, 142568), (1562, 141564), (1704, 129767), (2008, 110121), (2068, 106926), (2343, 94376), (2761, 80088), (3012, 73414), (3102, 71284), (3124, 70782), (3337, 66264), (4136, 53463), (4686, 47188), (5522, 40044), (6024, 36707), (6204, 35642), (6248, 35391), (6674, 33132), (8283, 26696), (9372, 23594), (10011, 22088), (11044, 20022), (11797, 18744), (12408, 17821), (13348, 16566)]