128793808

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{311}}^1$

素因数の和:524

約数の個数: 80

約数和(自身を含む): 295731072

約数和(自身を除く): 166937264

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 181, 208, 286, 311, 362, 572, 622, 724, 1144, 1244, 1448, 1991, 2288, 2353, 2488, 2896, 3421, 3982, 4043, 4706, 4976, 6842, 7964, 8086, 9412, 13684, 15928, 16172, 18824, 25883, 27368, 31856, 32344, 37648, 44473, 51766, 54736, 56291, 64688, 88946, 103532, 112582, 177892, 207064, 225164, 355784, 414128, 450328, 619201, 711568, 731783, 900656, 1238402, 1463566, 2476804, 2927132, 4953608, 5854264, 8049613, 9907216, 11708528, 16099226, 32198452, 64396904, 128793808]

約数ペア:

[(1, 128793808), (2, 64396904), (4, 32198452), (8, 16099226), (11, 11708528), (13, 9907216), (16, 8049613), (22, 5854264), (26, 4953608), (44, 2927132), (52, 2476804), (88, 1463566), (104, 1238402), (143, 900656), (176, 731783), (181, 711568), (208, 619201), (286, 450328), (311, 414128), (362, 355784), (572, 225164), (622, 207064), (724, 177892), (1144, 112582), (1244, 103532), (1448, 88946), (1991, 64688), (2288, 56291), (2353, 54736), (2488, 51766), (2896, 44473), (3421, 37648), (3982, 32344), (4043, 31856), (4706, 27368), (4976, 25883), (6842, 18824), (7964, 16172), (8086, 15928), (9412, 13684)]