197312778

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:488

約数の個数: 96

約数和(自身を含む): 491911056

約数和(自身を除く): 294598278

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 193, 221, 234, 257, 306, 386, 442, 514, 579, 663, 771, 1158, 1326, 1542, 1737, 1989, 2313, 2509, 3281, 3341, 3474, 3978, 4369, 4626, 5018, 6562, 6682, 7527, 8738, 9843, 10023, 13107, 15054, 19686, 20046, 22581, 26214, 29529, 30069, 39321, 42653, 45162, 49601, 56797, 59058, 60138, 78642, 85306, 99202, 113594, 127959, 148803, 170391, 255918, 297606, 340782, 383877, 446409, 511173, 644813, 767754, 843217, 892818, 1022346, 1289626, 1686434, 1934439, 2529651, 3868878, 5059302, 5803317, 7588953, 10961821, 11606634, 15177906, 21923642, 32885463, 65770926, 98656389, 197312778]

約数ペア:

[(1, 197312778), (2, 98656389), (3, 65770926), (6, 32885463), (9, 21923642), (13, 15177906), (17, 11606634), (18, 10961821), (26, 7588953), (34, 5803317), (39, 5059302), (51, 3868878), (78, 2529651), (102, 1934439), (117, 1686434), (153, 1289626), (193, 1022346), (221, 892818), (234, 843217), (257, 767754), (306, 644813), (386, 511173), (442, 446409), (514, 383877), (579, 340782), (663, 297606), (771, 255918), (1158, 170391), (1326, 148803), (1542, 127959), (1737, 113594), (1989, 99202), (2313, 85306), (2509, 78642), (3281, 60138), (3341, 59058), (3474, 56797), (3978, 49601), (4369, 45162), (4626, 42653), (5018, 39321), (6562, 30069), (6682, 29529), (7527, 26214), (8738, 22581), (9843, 20046), (10023, 19686), (13107, 15054)]