51381616

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1321}}^1$

素因数の和:1370

約数の個数: 80

約数和(自身を含む): 123929568

約数和(自身を除く): 72547952

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 34, 44, 52, 68, 88, 104, 136, 143, 176, 187, 208, 221, 272, 286, 374, 442, 572, 748, 884, 1144, 1321, 1496, 1768, 2288, 2431, 2642, 2992, 3536, 4862, 5284, 9724, 10568, 14531, 17173, 19448, 21136, 22457, 29062, 34346, 38896, 44914, 58124, 68692, 89828, 116248, 137384, 179656, 188903, 232496, 247027, 274768, 291941, 359312, 377806, 494054, 583882, 755612, 988108, 1167764, 1511224, 1976216, 2335528, 3022448, 3211351, 3952432, 4671056, 6422702, 12845404, 25690808, 51381616]

約数ペア:

[(1, 51381616), (2, 25690808), (4, 12845404), (8, 6422702), (11, 4671056), (13, 3952432), (16, 3211351), (17, 3022448), (22, 2335528), (26, 1976216), (34, 1511224), (44, 1167764), (52, 988108), (68, 755612), (88, 583882), (104, 494054), (136, 377806), (143, 359312), (176, 291941), (187, 274768), (208, 247027), (221, 232496), (272, 188903), (286, 179656), (374, 137384), (442, 116248), (572, 89828), (748, 68692), (884, 58124), (1144, 44914), (1321, 38896), (1496, 34346), (1768, 29062), (2288, 22457), (2431, 21136), (2642, 19448), (2992, 17173), (3536, 14531), (4862, 10568), (5284, 9724)]