388709828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23143}}^1$

素因数の和:23196

約数の個数: 48

約数和(自身を含む): 816520320

約数和(自身を除く): 427810492

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 221, 247, 323, 442, 494, 646, 884, 988, 1292, 4199, 8398, 16796, 23143, 46286, 92572, 300859, 393431, 439717, 601718, 786862, 879434, 1203436, 1573724, 1758868, 5114603, 5716321, 7475189, 10229206, 11432642, 14950378, 20458412, 22865284, 29900756, 97177457, 194354914, 388709828]

約数ペア:

[(1, 388709828), (2, 194354914), (4, 97177457), (13, 29900756), (17, 22865284), (19, 20458412), (26, 14950378), (34, 11432642), (38, 10229206), (52, 7475189), (68, 5716321), (76, 5114603), (221, 1758868), (247, 1573724), (323, 1203436), (442, 879434), (494, 786862), (646, 601718), (884, 439717), (988, 393431), (1292, 300859), (4199, 92572), (8398, 46286), (16796, 23143)]