81207224

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{313}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 180411840

約数和(自身を除く): 99204616

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 113, 164, 226, 287, 313, 328, 452, 574, 626, 791, 904, 1148, 1252, 1582, 2191, 2296, 2504, 3164, 4382, 4633, 6328, 8764, 9266, 12833, 17528, 18532, 25666, 32431, 35369, 37064, 51332, 64862, 70738, 89831, 102664, 129724, 141476, 179662, 247583, 259448, 282952, 359324, 495166, 718648, 990332, 1450129, 1980664, 2900258, 5800516, 10150903, 11601032, 20301806, 40603612, 81207224]

約数ペア:

[(1, 81207224), (2, 40603612), (4, 20301806), (7, 11601032), (8, 10150903), (14, 5800516), (28, 2900258), (41, 1980664), (56, 1450129), (82, 990332), (113, 718648), (164, 495166), (226, 359324), (287, 282952), (313, 259448), (328, 247583), (452, 179662), (574, 141476), (626, 129724), (791, 102664), (904, 89831), (1148, 70738), (1252, 64862), (1582, 51332), (2191, 37064), (2296, 35369), (2504, 32431), (3164, 25666), (4382, 18532), (4633, 17528), (6328, 12833), (8764, 9266)]