688442368

素因数分解:

$2^{10}\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:385

約数の個数: 88

約数和(自身を含む): 1444363200

約数和(自身を除く): 755920832

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 97, 116, 128, 194, 232, 239, 256, 388, 464, 478, 512, 776, 928, 956, 1024, 1552, 1856, 1912, 2813, 3104, 3712, 3824, 5626, 6208, 6931, 7424, 7648, 11252, 12416, 13862, 14848, 15296, 22504, 23183, 24832, 27724, 29696, 30592, 45008, 46366, 49664, 55448, 61184, 90016, 92732, 99328, 110896, 122368, 180032, 185464, 221792, 244736, 360064, 370928, 443584, 672307, 720128, 741856, 887168, 1344614, 1440256, 1483712, 1774336, 2689228, 2880512, 2967424, 3548672, 5378456, 5934848, 7097344, 10756912, 11869696, 21513824, 23739392, 43027648, 86055296, 172110592, 344221184, 688442368]

約数ペア:

[(1, 688442368), (2, 344221184), (4, 172110592), (8, 86055296), (16, 43027648), (29, 23739392), (32, 21513824), (58, 11869696), (64, 10756912), (97, 7097344), (116, 5934848), (128, 5378456), (194, 3548672), (232, 2967424), (239, 2880512), (256, 2689228), (388, 1774336), (464, 1483712), (478, 1440256), (512, 1344614), (776, 887168), (928, 741856), (956, 720128), (1024, 672307), (1552, 443584), (1856, 370928), (1912, 360064), (2813, 244736), (3104, 221792), (3712, 185464), (3824, 180032), (5626, 122368), (6208, 110896), (6931, 99328), (7424, 92732), (7648, 90016), (11252, 61184), (12416, 55448), (13862, 49664), (14848, 46366), (15296, 45008), (22504, 30592), (23183, 29696), (24832, 27724)]