198945992

素因数分解:

$2^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 435024000

約数和(自身を除く): 236078008

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 113, 149, 211, 226, 298, 422, 452, 596, 791, 844, 904, 1043, 1192, 1477, 1582, 1688, 2086, 2954, 3164, 4172, 5908, 6328, 8344, 11816, 16837, 23843, 31439, 33674, 47686, 62878, 67348, 95372, 117859, 125756, 134696, 166901, 190744, 220073, 235718, 251512, 333802, 440146, 471436, 667604, 880292, 942872, 1335208, 1760584, 3552607, 7105214, 14210428, 24868249, 28420856, 49736498, 99472996, 198945992]

約数ペア:

[(1, 198945992), (2, 99472996), (4, 49736498), (7, 28420856), (8, 24868249), (14, 14210428), (28, 7105214), (56, 3552607), (113, 1760584), (149, 1335208), (211, 942872), (226, 880292), (298, 667604), (422, 471436), (452, 440146), (596, 333802), (791, 251512), (844, 235718), (904, 220073), (1043, 190744), (1192, 166901), (1477, 134696), (1582, 125756), (1688, 117859), (2086, 95372), (2954, 67348), (3164, 62878), (4172, 47686), (5908, 33674), (6328, 31439), (8344, 23843), (11816, 16837)]