215354644

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 401974272

約数和(自身を除く): 186619628

約数列:

[1, 2, 4, 31, 61, 62, 71, 122, 124, 142, 244, 284, 401, 802, 1604, 1891, 2201, 3782, 4331, 4402, 7564, 8662, 8804, 12431, 17324, 24461, 24862, 28471, 48922, 49724, 56942, 97844, 113884, 134261, 268522, 537044, 758291, 882601, 1516582, 1736731, 1765202, 3033164, 3473462, 3530404, 6946924, 53838661, 107677322, 215354644]

約数ペア:

[(1, 215354644), (2, 107677322), (4, 53838661), (31, 6946924), (61, 3530404), (62, 3473462), (71, 3033164), (122, 1765202), (124, 1736731), (142, 1516582), (244, 882601), (284, 758291), (401, 537044), (802, 268522), (1604, 134261), (1891, 113884), (2201, 97844), (3782, 56942), (4331, 49724), (4402, 48922), (7564, 28471), (8662, 24862), (8804, 24461), (12431, 17324)]