90910858

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 159667200

約数和(自身を除く): 68756342

約数列:

[1, 2, 19, 23, 38, 41, 43, 46, 59, 82, 86, 118, 437, 779, 817, 874, 943, 989, 1121, 1357, 1558, 1634, 1763, 1886, 1978, 2242, 2419, 2537, 2714, 3526, 4838, 5074, 17917, 18791, 25783, 33497, 35834, 37582, 40549, 45961, 48203, 51566, 55637, 58351, 66994, 81098, 91922, 96406, 104017, 111274, 116702, 208034, 770431, 1057103, 1108669, 1540862, 1976323, 2114206, 2217338, 2392391, 3952646, 4784782, 45455429, 90910858]

約数ペア:

[(1, 90910858), (2, 45455429), (19, 4784782), (23, 3952646), (38, 2392391), (41, 2217338), (43, 2114206), (46, 1976323), (59, 1540862), (82, 1108669), (86, 1057103), (118, 770431), (437, 208034), (779, 116702), (817, 111274), (874, 104017), (943, 96406), (989, 91922), (1121, 81098), (1357, 66994), (1558, 58351), (1634, 55637), (1763, 51566), (1886, 48203), (1978, 45961), (2242, 40549), (2419, 37582), (2537, 35834), (2714, 33497), (3526, 25783), (4838, 18791), (5074, 17917)]