61720316

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{401}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 129669120

約数和(自身を除く): 67948804

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 239, 322, 401, 478, 644, 802, 956, 1604, 1673, 2807, 3346, 5497, 5614, 6692, 9223, 10994, 11228, 18446, 21988, 36892, 38479, 64561, 76958, 95839, 129122, 153916, 191678, 258244, 383356, 670873, 1341746, 2204297, 2683492, 4408594, 8817188, 15430079, 30860158, 61720316]

約数ペア:

[(1, 61720316), (2, 30860158), (4, 15430079), (7, 8817188), (14, 4408594), (23, 2683492), (28, 2204297), (46, 1341746), (92, 670873), (161, 383356), (239, 258244), (322, 191678), (401, 153916), (478, 129122), (644, 95839), (802, 76958), (956, 64561), (1604, 38479), (1673, 36892), (2807, 21988), (3346, 18446), (5497, 11228), (5614, 10994), (6692, 9223)]