131913884

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 249446400

約数和(自身を除く): 117532516

約数列:

[1, 2, 4, 19, 38, 76, 79, 127, 158, 173, 254, 316, 346, 508, 692, 1501, 2413, 3002, 3287, 4826, 6004, 6574, 9652, 10033, 13148, 13667, 20066, 21971, 27334, 40132, 43942, 54668, 87884, 190627, 259673, 381254, 417449, 519346, 762508, 834898, 1038692, 1669796, 1735709, 3471418, 6942836, 32978471, 65956942, 131913884]

約数ペア:

[(1, 131913884), (2, 65956942), (4, 32978471), (19, 6942836), (38, 3471418), (76, 1735709), (79, 1669796), (127, 1038692), (158, 834898), (173, 762508), (254, 519346), (316, 417449), (346, 381254), (508, 259673), (692, 190627), (1501, 87884), (2413, 54668), (3002, 43942), (3287, 40132), (4826, 27334), (6004, 21971), (6574, 20066), (9652, 13667), (10033, 13148)]