207815258

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:363

約数の個数: 64

約数和(自身を含む): 389283840

約数和(自身を除く): 181468582

約数列:

[1, 2, 7, 14, 23, 31, 46, 62, 109, 161, 191, 217, 218, 322, 382, 434, 713, 763, 1337, 1426, 1526, 2507, 2674, 3379, 4393, 4991, 5014, 5921, 6758, 8786, 9982, 11842, 17549, 20819, 23653, 30751, 35098, 41447, 41638, 47306, 61502, 77717, 82894, 136183, 145733, 155434, 272366, 291466, 478837, 544019, 645389, 953281, 957674, 1088038, 1290778, 1906562, 3351859, 4517723, 6703718, 9035446, 14843947, 29687894, 103907629, 207815258]

約数ペア:

[(1, 207815258), (2, 103907629), (7, 29687894), (14, 14843947), (23, 9035446), (31, 6703718), (46, 4517723), (62, 3351859), (109, 1906562), (161, 1290778), (191, 1088038), (217, 957674), (218, 953281), (322, 645389), (382, 544019), (434, 478837), (713, 291466), (763, 272366), (1337, 155434), (1426, 145733), (1526, 136183), (2507, 82894), (2674, 77717), (3379, 61502), (4393, 47306), (4991, 41638), (5014, 41447), (5921, 35098), (6758, 30751), (8786, 23653), (9982, 20819), (11842, 17549)]