81650311184

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{433}}^1\times {\mathrm{69737}}^1$

素因数の和:70204

約数の個数: 60

約数和(自身を含む): 171700674516

約数和(自身を除く): 90050363332

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 433, 676, 866, 1352, 1732, 2704, 3464, 5629, 6928, 11258, 22516, 45032, 69737, 73177, 90064, 139474, 146354, 278948, 292708, 557896, 585416, 906581, 1115792, 1170832, 1813162, 3626324, 7252648, 11785553, 14505296, 23571106, 30196121, 47142212, 60392242, 94284424, 120784484, 188568848, 241568968, 392549573, 483137936, 785099146, 1570198292, 3140396584, 5103144449, 6280793168, 10206288898, 20412577796, 40825155592, 81650311184]

約数ペア:

[(1, 81650311184), (2, 40825155592), (4, 20412577796), (8, 10206288898), (13, 6280793168), (16, 5103144449), (26, 3140396584), (52, 1570198292), (104, 785099146), (169, 483137936), (208, 392549573), (338, 241568968), (433, 188568848), (676, 120784484), (866, 94284424), (1352, 60392242), (1732, 47142212), (2704, 30196121), (3464, 23571106), (5629, 14505296), (6928, 11785553), (11258, 7252648), (22516, 3626324), (45032, 1813162), (69737, 1170832), (73177, 1115792), (90064, 906581), (139474, 585416), (146354, 557896), (278948, 292708)]