212345315

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 332107776

約数和(自身を除く): 119762461

約数列:

[1, 5, 7, 13, 23, 35, 65, 91, 103, 115, 161, 197, 299, 455, 515, 721, 805, 985, 1339, 1379, 1495, 2093, 2369, 2561, 3605, 4531, 6695, 6895, 9373, 10465, 11845, 12805, 16583, 17927, 20291, 22655, 30797, 31717, 46865, 58903, 82915, 89635, 101455, 142037, 153985, 158585, 215579, 263783, 294515, 412321, 466693, 710185, 1077895, 1318915, 1846481, 2061605, 2333465, 3266851, 6067009, 9232405, 16334255, 30335045, 42469063, 212345315]

約数ペア:

[(1, 212345315), (5, 42469063), (7, 30335045), (13, 16334255), (23, 9232405), (35, 6067009), (65, 3266851), (91, 2333465), (103, 2061605), (115, 1846481), (161, 1318915), (197, 1077895), (299, 710185), (455, 466693), (515, 412321), (721, 294515), (805, 263783), (985, 215579), (1339, 158585), (1379, 153985), (1495, 142037), (2093, 101455), (2369, 89635), (2561, 82915), (3605, 58903), (4531, 46865), (6695, 31717), (6895, 30797), (9373, 22655), (10465, 20291), (11845, 17927), (12805, 16583)]