82865988

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{269}}^1$

素因数の和:521

約数の個数: 72

約数和(自身を含む): 216216000

約数和(自身を除く): 133350012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 199, 258, 269, 387, 398, 516, 538, 597, 774, 796, 807, 1076, 1194, 1548, 1614, 1791, 2388, 2421, 3228, 3582, 4842, 7164, 8557, 9684, 11567, 17114, 23134, 25671, 34228, 34701, 46268, 51342, 53531, 69402, 77013, 102684, 104103, 107062, 138804, 154026, 160593, 208206, 214124, 308052, 321186, 416412, 481779, 642372, 963558, 1927116, 2301833, 4603666, 6905499, 9207332, 13810998, 20716497, 27621996, 41432994, 82865988]

約数ペア:

[(1, 82865988), (2, 41432994), (3, 27621996), (4, 20716497), (6, 13810998), (9, 9207332), (12, 6905499), (18, 4603666), (36, 2301833), (43, 1927116), (86, 963558), (129, 642372), (172, 481779), (199, 416412), (258, 321186), (269, 308052), (387, 214124), (398, 208206), (516, 160593), (538, 154026), (597, 138804), (774, 107062), (796, 104103), (807, 102684), (1076, 77013), (1194, 69402), (1548, 53531), (1614, 51342), (1791, 46268), (2388, 34701), (2421, 34228), (3228, 25671), (3582, 23134), (4842, 17114), (7164, 11567), (8557, 9684)]