25553788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 51607584

約数和(自身を除く): 26053796

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 137, 211, 221, 274, 422, 442, 548, 844, 884, 1781, 2329, 2743, 3562, 3587, 4658, 5486, 7124, 7174, 9316, 10972, 14348, 28907, 30277, 46631, 57814, 60554, 93262, 115628, 121108, 186524, 375791, 491419, 751582, 982838, 1503164, 1965676, 6388447, 12776894, 25553788]

約数ペア:

[(1, 25553788), (2, 12776894), (4, 6388447), (13, 1965676), (17, 1503164), (26, 982838), (34, 751582), (52, 491419), (68, 375791), (137, 186524), (211, 121108), (221, 115628), (274, 93262), (422, 60554), (442, 57814), (548, 46631), (844, 30277), (884, 28907), (1781, 14348), (2329, 10972), (2743, 9316), (3562, 7174), (3587, 7124), (4658, 5486)]