28087206

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{577}}^1$

素因数の和:669

約数の個数: 64

約数和(自身を含む): 68805120

約数和(自身を除く): 40717914

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 61, 114, 122, 133, 183, 266, 366, 399, 427, 577, 798, 854, 1154, 1159, 1281, 1731, 2318, 2562, 3462, 3477, 4039, 6954, 8078, 8113, 10963, 12117, 16226, 21926, 24234, 24339, 32889, 35197, 48678, 65778, 70394, 76741, 105591, 153482, 211182, 230223, 246379, 460446, 492758, 668743, 739137, 1337486, 1478274, 2006229, 4012458, 4681201, 9362402, 14043603, 28087206]

約数ペア:

[(1, 28087206), (2, 14043603), (3, 9362402), (6, 4681201), (7, 4012458), (14, 2006229), (19, 1478274), (21, 1337486), (38, 739137), (42, 668743), (57, 492758), (61, 460446), (114, 246379), (122, 230223), (133, 211182), (183, 153482), (266, 105591), (366, 76741), (399, 70394), (427, 65778), (577, 48678), (798, 35197), (854, 32889), (1154, 24339), (1159, 24234), (1281, 21926), (1731, 16226), (2318, 12117), (2562, 10963), (3462, 8113), (3477, 8078), (4039, 6954)]