71491208

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 145152000

約数和(自身を除く): 73660792

約数列:

[1, 2, 4, 8, 31, 41, 62, 79, 82, 89, 124, 158, 164, 178, 248, 316, 328, 356, 632, 712, 1271, 2449, 2542, 2759, 3239, 3649, 4898, 5084, 5518, 6478, 7031, 7298, 9796, 10168, 11036, 12956, 14062, 14596, 19592, 22072, 25912, 28124, 29192, 56248, 100409, 113119, 200818, 217961, 226238, 288271, 401636, 435922, 452476, 576542, 803272, 871844, 904952, 1153084, 1743688, 2306168, 8936401, 17872802, 35745604, 71491208]

約数ペア:

[(1, 71491208), (2, 35745604), (4, 17872802), (8, 8936401), (31, 2306168), (41, 1743688), (62, 1153084), (79, 904952), (82, 871844), (89, 803272), (124, 576542), (158, 452476), (164, 435922), (178, 401636), (248, 288271), (316, 226238), (328, 217961), (356, 200818), (632, 113119), (712, 100409), (1271, 56248), (2449, 29192), (2542, 28124), (2759, 25912), (3239, 22072), (3649, 19592), (4898, 14596), (5084, 14062), (5518, 12956), (6478, 11036), (7031, 10168), (7298, 9796)]