1780376

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:108

約数の個数: 64

約数和(自身を含む): 4082400

約数和(自身を除く): 2302024

約数列:

[1, 2, 4, 8, 13, 17, 19, 26, 34, 38, 52, 53, 68, 76, 104, 106, 136, 152, 212, 221, 247, 323, 424, 442, 494, 646, 689, 884, 901, 988, 1007, 1292, 1378, 1768, 1802, 1976, 2014, 2584, 2756, 3604, 4028, 4199, 5512, 7208, 8056, 8398, 11713, 13091, 16796, 17119, 23426, 26182, 33592, 34238, 46852, 52364, 68476, 93704, 104728, 136952, 222547, 445094, 890188, 1780376]

約数ペア:

[(1, 1780376), (2, 890188), (4, 445094), (8, 222547), (13, 136952), (17, 104728), (19, 93704), (26, 68476), (34, 52364), (38, 46852), (52, 34238), (53, 33592), (68, 26182), (76, 23426), (104, 17119), (106, 16796), (136, 13091), (152, 11713), (212, 8398), (221, 8056), (247, 7208), (323, 5512), (424, 4199), (442, 4028), (494, 3604), (646, 2756), (689, 2584), (884, 2014), (901, 1976), (988, 1802), (1007, 1768), (1292, 1378)]