72872696

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^2\times {\mathrm{139}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 150322200

約数和(自身を除く): 77449504

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 139, 142, 278, 284, 556, 568, 923, 1112, 1807, 1846, 3614, 3692, 5041, 7228, 7384, 9869, 10082, 14456, 19738, 20164, 39476, 40328, 65533, 78952, 128297, 131066, 256594, 262132, 513188, 524264, 700699, 1026376, 1401398, 2802796, 5605592, 9109087, 18218174, 36436348, 72872696]

約数ペア:

[(1, 72872696), (2, 36436348), (4, 18218174), (8, 9109087), (13, 5605592), (26, 2802796), (52, 1401398), (71, 1026376), (104, 700699), (139, 524264), (142, 513188), (278, 262132), (284, 256594), (556, 131066), (568, 128297), (923, 78952), (1112, 65533), (1807, 40328), (1846, 39476), (3614, 20164), (3692, 19738), (5041, 14456), (7228, 10082), (7384, 9869)]