236891988

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{769}}^1$

素因数の和:1021

約数の個数: 72

約数和(自身を含む): 616616000

約数和(自身を除く): 379724012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 199, 258, 387, 398, 516, 597, 769, 774, 796, 1194, 1538, 1548, 1791, 2307, 2388, 3076, 3582, 4614, 6921, 7164, 8557, 9228, 13842, 17114, 25671, 27684, 33067, 34228, 51342, 66134, 77013, 99201, 102684, 132268, 153031, 154026, 198402, 297603, 306062, 308052, 396804, 459093, 595206, 612124, 918186, 1190412, 1377279, 1836372, 2754558, 5509116, 6580333, 13160666, 19740999, 26321332, 39481998, 59222997, 78963996, 118445994, 236891988]

約数ペア:

[(1, 236891988), (2, 118445994), (3, 78963996), (4, 59222997), (6, 39481998), (9, 26321332), (12, 19740999), (18, 13160666), (36, 6580333), (43, 5509116), (86, 2754558), (129, 1836372), (172, 1377279), (199, 1190412), (258, 918186), (387, 612124), (398, 595206), (516, 459093), (597, 396804), (769, 308052), (774, 306062), (796, 297603), (1194, 198402), (1538, 154026), (1548, 153031), (1791, 132268), (2307, 102684), (2388, 99201), (3076, 77013), (3582, 66134), (4614, 51342), (6921, 34228), (7164, 33067), (8557, 27684), (9228, 25671), (13842, 17114)]