128283948

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{1019}}^1$

素因数の和:1311

約数の個数: 72

約数和(自身を含む): 350859600

約数和(自身を除く): 222575652

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 269, 468, 538, 807, 1019, 1076, 1614, 2038, 2421, 3057, 3228, 3497, 4076, 4842, 6114, 6994, 9171, 9684, 10491, 12228, 13247, 13988, 18342, 20982, 26494, 31473, 36684, 39741, 41964, 52988, 62946, 79482, 119223, 125892, 158964, 238446, 274111, 476892, 548222, 822333, 1096444, 1644666, 2466999, 3289332, 3563443, 4933998, 7126886, 9867996, 10690329, 14253772, 21380658, 32070987, 42761316, 64141974, 128283948]

約数ペア:

[(1, 128283948), (2, 64141974), (3, 42761316), (4, 32070987), (6, 21380658), (9, 14253772), (12, 10690329), (13, 9867996), (18, 7126886), (26, 4933998), (36, 3563443), (39, 3289332), (52, 2466999), (78, 1644666), (117, 1096444), (156, 822333), (234, 548222), (269, 476892), (468, 274111), (538, 238446), (807, 158964), (1019, 125892), (1076, 119223), (1614, 79482), (2038, 62946), (2421, 52988), (3057, 41964), (3228, 39741), (3497, 36684), (4076, 31473), (4842, 26494), (6114, 20982), (6994, 18342), (9171, 13988), (9684, 13247), (10491, 12228)]