31972784

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:174

約数の個数: 80

約数和(自身を含む): 69745536

約数和(自身を除く): 37772752

約数列:

[1, 2, 4, 8, 16, 17, 34, 41, 47, 61, 68, 82, 94, 122, 136, 164, 188, 244, 272, 328, 376, 488, 656, 697, 752, 799, 976, 1037, 1394, 1598, 1927, 2074, 2501, 2788, 2867, 3196, 3854, 4148, 5002, 5576, 5734, 6392, 7708, 8296, 10004, 11152, 11468, 12784, 15416, 16592, 20008, 22936, 30832, 32759, 40016, 42517, 45872, 48739, 65518, 85034, 97478, 117547, 131036, 170068, 194956, 235094, 262072, 340136, 389912, 470188, 524144, 680272, 779824, 940376, 1880752, 1998299, 3996598, 7993196, 15986392, 31972784]

約数ペア:

[(1, 31972784), (2, 15986392), (4, 7993196), (8, 3996598), (16, 1998299), (17, 1880752), (34, 940376), (41, 779824), (47, 680272), (61, 524144), (68, 470188), (82, 389912), (94, 340136), (122, 262072), (136, 235094), (164, 194956), (188, 170068), (244, 131036), (272, 117547), (328, 97478), (376, 85034), (488, 65518), (656, 48739), (697, 45872), (752, 42517), (799, 40016), (976, 32759), (1037, 30832), (1394, 22936), (1598, 20008), (1927, 16592), (2074, 15416), (2501, 12784), (2788, 11468), (2867, 11152), (3196, 10004), (3854, 8296), (4148, 7708), (5002, 6392), (5576, 5734)]