1256398424

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{389}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 2486484000

約数和(自身を除く): 1230085576

約数列:

[1, 2, 4, 8, 41, 43, 82, 86, 164, 172, 229, 328, 344, 389, 458, 778, 916, 1556, 1763, 1832, 3112, 3526, 7052, 9389, 9847, 14104, 15949, 16727, 18778, 19694, 31898, 33454, 37556, 39388, 63796, 66908, 75112, 78776, 89081, 127592, 133816, 178162, 356324, 403727, 685807, 712648, 807454, 1371614, 1614908, 2743228, 3229816, 3652321, 3830483, 5486456, 7304642, 7660966, 14609284, 15321932, 29218568, 30643864, 157049803, 314099606, 628199212, 1256398424]

約数ペア:

[(1, 1256398424), (2, 628199212), (4, 314099606), (8, 157049803), (41, 30643864), (43, 29218568), (82, 15321932), (86, 14609284), (164, 7660966), (172, 7304642), (229, 5486456), (328, 3830483), (344, 3652321), (389, 3229816), (458, 2743228), (778, 1614908), (916, 1371614), (1556, 807454), (1763, 712648), (1832, 685807), (3112, 403727), (3526, 356324), (7052, 178162), (9389, 133816), (9847, 127592), (14104, 89081), (15949, 78776), (16727, 75112), (18778, 66908), (19694, 63796), (31898, 39388), (33454, 37556)]