293558975

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{991}}^1$

素因数の和:1076

約数の個数: 36

約数和(自身を含む): 396516288

約数和(自身を除く): 102957313

約数列:

[1, 5, 17, 25, 41, 85, 205, 289, 425, 697, 991, 1025, 1445, 3485, 4955, 7225, 11849, 16847, 17425, 24775, 40631, 59245, 84235, 203155, 286399, 296225, 421175, 690727, 1015775, 1431995, 3453635, 7159975, 11742359, 17268175, 58711795, 293558975]

約数ペア:

[(1, 293558975), (5, 58711795), (17, 17268175), (25, 11742359), (41, 7159975), (85, 3453635), (205, 1431995), (289, 1015775), (425, 690727), (697, 421175), (991, 296225), (1025, 286399), (1445, 203155), (3485, 84235), (4955, 59245), (7225, 40631), (11849, 24775), (16847, 17425)]