287657435

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 421684704

約数和(自身を除く): 134027269

約数列:

[1, 5, 13, 19, 23, 41, 65, 95, 115, 169, 205, 247, 299, 361, 437, 533, 779, 845, 943, 1235, 1495, 1805, 2185, 2665, 3211, 3887, 3895, 4693, 4715, 5681, 6929, 8303, 10127, 12259, 14801, 16055, 17917, 19435, 23465, 28405, 34645, 41515, 50635, 61009, 61295, 73853, 74005, 89585, 107939, 131651, 159367, 192413, 232921, 305045, 340423, 369265, 539695, 658255, 796835, 962065, 1164605, 1403207, 1702115, 2501369, 3027973, 4425499, 7016035, 12506845, 15139865, 22127495, 57531487, 287657435]

約数ペア:

[(1, 287657435), (5, 57531487), (13, 22127495), (19, 15139865), (23, 12506845), (41, 7016035), (65, 4425499), (95, 3027973), (115, 2501369), (169, 1702115), (205, 1403207), (247, 1164605), (299, 962065), (361, 796835), (437, 658255), (533, 539695), (779, 369265), (845, 340423), (943, 305045), (1235, 232921), (1495, 192413), (1805, 159367), (2185, 131651), (2665, 107939), (3211, 89585), (3887, 74005), (3895, 73853), (4693, 61295), (4715, 61009), (5681, 50635), (6929, 41515), (8303, 34645), (10127, 28405), (12259, 23465), (14801, 19435), (16055, 17917)]