678387788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{3637}}^1$

素因数の和:3882

約数の個数: 48

約数和(自身を含む): 1360495584

約数和(自身を除く): 682107796

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 211, 221, 422, 442, 844, 884, 2743, 3587, 3637, 5486, 7174, 7274, 10972, 14348, 14548, 46631, 47281, 61829, 93262, 94562, 123658, 186524, 189124, 247316, 767407, 803777, 1534814, 1607554, 3069628, 3215108, 9976291, 13045919, 19952582, 26091838, 39905164, 52183676, 169596947, 339193894, 678387788]

約数ペア:

[(1, 678387788), (2, 339193894), (4, 169596947), (13, 52183676), (17, 39905164), (26, 26091838), (34, 19952582), (52, 13045919), (68, 9976291), (211, 3215108), (221, 3069628), (422, 1607554), (442, 1534814), (844, 803777), (884, 767407), (2743, 247316), (3587, 189124), (3637, 186524), (5486, 123658), (7174, 94562), (7274, 93262), (10972, 61829), (14348, 47281), (14548, 46631)]