31517636

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 60673536

約数和(自身を除く): 29155900

約数列:

[1, 2, 4, 23, 37, 46, 47, 74, 92, 94, 148, 188, 197, 394, 788, 851, 1081, 1702, 1739, 2162, 3404, 3478, 4324, 4531, 6956, 7289, 9062, 9259, 14578, 18124, 18518, 29156, 37036, 39997, 79994, 159988, 167647, 212957, 335294, 342583, 425914, 670588, 685166, 851828, 1370332, 7879409, 15758818, 31517636]

約数ペア:

[(1, 31517636), (2, 15758818), (4, 7879409), (23, 1370332), (37, 851828), (46, 685166), (47, 670588), (74, 425914), (92, 342583), (94, 335294), (148, 212957), (188, 167647), (197, 159988), (394, 79994), (788, 39997), (851, 37036), (1081, 29156), (1702, 18518), (1739, 18124), (2162, 14578), (3404, 9259), (3478, 9062), (4324, 7289), (4531, 6956)]