217229264

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{421}}^1$

素因数の和:724

約数の個数: 80

約数和(自身を含む): 512395776

約数和(自身を除く): 295166512

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 271, 272, 421, 476, 542, 842, 952, 1084, 1684, 1897, 1904, 2168, 2947, 3368, 3794, 4336, 4607, 5894, 6736, 7157, 7588, 9214, 11788, 14314, 15176, 18428, 23576, 28628, 30352, 32249, 36856, 47152, 50099, 57256, 64498, 73712, 100198, 114091, 114512, 128996, 200396, 228182, 257992, 400792, 456364, 515984, 798637, 801584, 912728, 1597274, 1825456, 1939547, 3194548, 3879094, 6389096, 7758188, 12778192, 13576829, 15516376, 27153658, 31032752, 54307316, 108614632, 217229264]

約数ペア:

[(1, 217229264), (2, 108614632), (4, 54307316), (7, 31032752), (8, 27153658), (14, 15516376), (16, 13576829), (17, 12778192), (28, 7758188), (34, 6389096), (56, 3879094), (68, 3194548), (112, 1939547), (119, 1825456), (136, 1597274), (238, 912728), (271, 801584), (272, 798637), (421, 515984), (476, 456364), (542, 400792), (842, 257992), (952, 228182), (1084, 200396), (1684, 128996), (1897, 114512), (1904, 114091), (2168, 100198), (2947, 73712), (3368, 64498), (3794, 57256), (4336, 50099), (4607, 47152), (5894, 36856), (6736, 32249), (7157, 30352), (7588, 28628), (9214, 23576), (11788, 18428), (14314, 15176)]