217131816

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:487

約数の個数: 128

約数和(自身を含む): 622080000

約数和(自身を除く): 404948184

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 29, 33, 44, 58, 66, 79, 87, 88, 116, 132, 158, 174, 232, 237, 264, 316, 319, 348, 359, 474, 632, 638, 696, 718, 869, 948, 957, 1077, 1276, 1436, 1738, 1896, 1914, 2154, 2291, 2552, 2607, 2872, 3476, 3828, 3949, 4308, 4582, 5214, 6873, 6952, 7656, 7898, 8616, 9164, 10411, 10428, 11847, 13746, 15796, 18328, 20822, 20856, 23694, 25201, 27492, 28361, 31233, 31592, 41644, 47388, 50402, 54984, 56722, 62466, 75603, 83288, 85083, 94776, 100804, 113444, 114521, 124932, 151206, 170166, 201608, 226888, 229042, 249864, 302412, 311971, 340332, 343563, 458084, 604824, 623942, 680664, 687126, 822469, 916168, 935913, 1247884, 1374252, 1644938, 1871826, 2467407, 2495768, 2748504, 3289876, 3743652, 4934814, 6579752, 7487304, 9047159, 9869628, 18094318, 19739256, 27141477, 36188636, 54282954, 72377272, 108565908, 217131816]

約数ペア:

[(1, 217131816), (2, 108565908), (3, 72377272), (4, 54282954), (6, 36188636), (8, 27141477), (11, 19739256), (12, 18094318), (22, 9869628), (24, 9047159), (29, 7487304), (33, 6579752), (44, 4934814), (58, 3743652), (66, 3289876), (79, 2748504), (87, 2495768), (88, 2467407), (116, 1871826), (132, 1644938), (158, 1374252), (174, 1247884), (232, 935913), (237, 916168), (264, 822469), (316, 687126), (319, 680664), (348, 623942), (359, 604824), (474, 458084), (632, 343563), (638, 340332), (696, 311971), (718, 302412), (869, 249864), (948, 229042), (957, 226888), (1077, 201608), (1276, 170166), (1436, 151206), (1738, 124932), (1896, 114521), (1914, 113444), (2154, 100804), (2291, 94776), (2552, 85083), (2607, 83288), (2872, 75603), (3476, 62466), (3828, 56722), (3949, 54984), (4308, 50402), (4582, 47388), (5214, 41644), (6873, 31592), (6952, 31233), (7656, 28361), (7898, 27492), (8616, 25201), (9164, 23694), (10411, 20856), (10428, 20822), (11847, 18328), (13746, 15796)]