247693428

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{757}}^1$

素因数の和:977

約数の個数: 72

約数和(自身を含む): 641495400

約数和(自身を除く): 393801972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 149, 183, 244, 298, 366, 447, 549, 596, 732, 757, 894, 1098, 1341, 1514, 1788, 2196, 2271, 2682, 3028, 4542, 5364, 6813, 9084, 9089, 13626, 18178, 27252, 27267, 36356, 46177, 54534, 81801, 92354, 109068, 112793, 138531, 163602, 184708, 225586, 277062, 327204, 338379, 415593, 451172, 554124, 676758, 831186, 1015137, 1353516, 1662372, 2030274, 4060548, 6880373, 13760746, 20641119, 27521492, 41282238, 61923357, 82564476, 123846714, 247693428]

約数ペア:

[(1, 247693428), (2, 123846714), (3, 82564476), (4, 61923357), (6, 41282238), (9, 27521492), (12, 20641119), (18, 13760746), (36, 6880373), (61, 4060548), (122, 2030274), (149, 1662372), (183, 1353516), (244, 1015137), (298, 831186), (366, 676758), (447, 554124), (549, 451172), (596, 415593), (732, 338379), (757, 327204), (894, 277062), (1098, 225586), (1341, 184708), (1514, 163602), (1788, 138531), (2196, 112793), (2271, 109068), (2682, 92354), (3028, 81801), (4542, 54534), (5364, 46177), (6813, 36356), (9084, 27267), (9089, 27252), (13626, 18178)]