72691996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 140767200

約数和(自身を除く): 68075204

約数列:

[1, 2, 4, 13, 26, 52, 89, 113, 139, 178, 226, 278, 356, 452, 556, 1157, 1469, 1807, 2314, 2938, 3614, 4628, 5876, 7228, 10057, 12371, 15707, 20114, 24742, 31414, 40228, 49484, 62828, 130741, 160823, 204191, 261482, 321646, 408382, 522964, 643292, 816764, 1397923, 2795846, 5591692, 18172999, 36345998, 72691996]

約数ペア:

[(1, 72691996), (2, 36345998), (4, 18172999), (13, 5591692), (26, 2795846), (52, 1397923), (89, 816764), (113, 643292), (139, 522964), (178, 408382), (226, 321646), (278, 261482), (356, 204191), (452, 160823), (556, 130741), (1157, 62828), (1469, 49484), (1807, 40228), (2314, 31414), (2938, 24742), (3614, 20114), (4628, 15707), (5876, 12371), (7228, 10057)]