16783928

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 38223360

約数和(自身を除く): 21439432

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 83, 92, 157, 161, 166, 184, 314, 322, 332, 581, 628, 644, 664, 1099, 1162, 1256, 1288, 1909, 2198, 2324, 3611, 3818, 4396, 4648, 7222, 7636, 8792, 13031, 13363, 14444, 15272, 25277, 26062, 26726, 28888, 50554, 52124, 53452, 91217, 101108, 104248, 106904, 182434, 202216, 299713, 364868, 599426, 729736, 1198852, 2097991, 2397704, 4195982, 8391964, 16783928]

約数ペア:

[(1, 16783928), (2, 8391964), (4, 4195982), (7, 2397704), (8, 2097991), (14, 1198852), (23, 729736), (28, 599426), (46, 364868), (56, 299713), (83, 202216), (92, 182434), (157, 106904), (161, 104248), (166, 101108), (184, 91217), (314, 53452), (322, 52124), (332, 50554), (581, 28888), (628, 26726), (644, 26062), (664, 25277), (1099, 15272), (1162, 14444), (1256, 13363), (1288, 13031), (1909, 8792), (2198, 7636), (2324, 7222), (3611, 4648), (3818, 4396)]