51481038

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:561

約数の個数: 64

約数和(自身を含む): 124001280

約数和(自身を除く): 72520242

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 137, 138, 161, 274, 322, 389, 411, 483, 778, 822, 959, 966, 1167, 1918, 2334, 2723, 2877, 3151, 5446, 5754, 6302, 8169, 8947, 9453, 16338, 17894, 18906, 22057, 26841, 44114, 53293, 53682, 62629, 66171, 106586, 125258, 132342, 159879, 187887, 319758, 373051, 375774, 746102, 1119153, 1225739, 2238306, 2451478, 3677217, 7354434, 8580173, 17160346, 25740519, 51481038]

約数ペア:

[(1, 51481038), (2, 25740519), (3, 17160346), (6, 8580173), (7, 7354434), (14, 3677217), (21, 2451478), (23, 2238306), (42, 1225739), (46, 1119153), (69, 746102), (137, 375774), (138, 373051), (161, 319758), (274, 187887), (322, 159879), (389, 132342), (411, 125258), (483, 106586), (778, 66171), (822, 62629), (959, 53682), (966, 53293), (1167, 44114), (1918, 26841), (2334, 22057), (2723, 18906), (2877, 17894), (3151, 16338), (5446, 9453), (5754, 8947), (6302, 8169)]