689244228

素因数分解:

$2^2\times 3^5\times {\mathrm{19}}^1\times {\mathrm{37321}}^1$

素因数の和:37359

約数の個数: 72

約数和(自身を含む): 1901929120

約数和(自身を除く): 1212684892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 243, 324, 342, 486, 513, 684, 972, 1026, 1539, 2052, 3078, 4617, 6156, 9234, 18468, 37321, 74642, 111963, 149284, 223926, 335889, 447852, 671778, 709099, 1007667, 1343556, 1418198, 2015334, 2127297, 2836396, 3023001, 4030668, 4254594, 6046002, 6381891, 8509188, 9069003, 12092004, 12763782, 18138006, 19145673, 25527564, 36276012, 38291346, 57437019, 76582692, 114874038, 172311057, 229748076, 344622114, 689244228]

約数ペア:

[(1, 689244228), (2, 344622114), (3, 229748076), (4, 172311057), (6, 114874038), (9, 76582692), (12, 57437019), (18, 38291346), (19, 36276012), (27, 25527564), (36, 19145673), (38, 18138006), (54, 12763782), (57, 12092004), (76, 9069003), (81, 8509188), (108, 6381891), (114, 6046002), (162, 4254594), (171, 4030668), (228, 3023001), (243, 2836396), (324, 2127297), (342, 2015334), (486, 1418198), (513, 1343556), (684, 1007667), (972, 709099), (1026, 671778), (1539, 447852), (2052, 335889), (3078, 223926), (4617, 149284), (6156, 111963), (9234, 74642), (18468, 37321)]