31281768

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1217}}^1$

素因数の和:1256

約数の個数: 128

約数和(自身を含む): 105235200

約数和(自身を除く): 73953432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 27, 28, 34, 36, 42, 51, 54, 56, 63, 68, 72, 84, 102, 108, 119, 126, 136, 153, 168, 189, 204, 216, 238, 252, 306, 357, 378, 408, 459, 476, 504, 612, 714, 756, 918, 952, 1071, 1217, 1224, 1428, 1512, 1836, 2142, 2434, 2856, 3213, 3651, 3672, 4284, 4868, 6426, 7302, 8519, 8568, 9736, 10953, 12852, 14604, 17038, 20689, 21906, 25557, 25704, 29208, 32859, 34076, 41378, 43812, 51114, 62067, 65718, 68152, 76671, 82756, 87624, 102228, 124134, 131436, 144823, 153342, 165512, 186201, 204456, 230013, 248268, 262872, 289646, 306684, 372402, 434469, 460026, 496536, 558603, 579292, 613368, 744804, 868938, 920052, 1117206, 1158584, 1303407, 1489608, 1737876, 1840104, 2234412, 2606814, 3475752, 3910221, 4468824, 5213628, 7820442, 10427256, 15640884, 31281768]

約数ペア:

[(1, 31281768), (2, 15640884), (3, 10427256), (4, 7820442), (6, 5213628), (7, 4468824), (8, 3910221), (9, 3475752), (12, 2606814), (14, 2234412), (17, 1840104), (18, 1737876), (21, 1489608), (24, 1303407), (27, 1158584), (28, 1117206), (34, 920052), (36, 868938), (42, 744804), (51, 613368), (54, 579292), (56, 558603), (63, 496536), (68, 460026), (72, 434469), (84, 372402), (102, 306684), (108, 289646), (119, 262872), (126, 248268), (136, 230013), (153, 204456), (168, 186201), (189, 165512), (204, 153342), (216, 144823), (238, 131436), (252, 124134), (306, 102228), (357, 87624), (378, 82756), (408, 76671), (459, 68152), (476, 65718), (504, 62067), (612, 51114), (714, 43812), (756, 41378), (918, 34076), (952, 32859), (1071, 29208), (1217, 25704), (1224, 25557), (1428, 21906), (1512, 20689), (1836, 17038), (2142, 14604), (2434, 12852), (2856, 10953), (3213, 9736), (3651, 8568), (3672, 8519), (4284, 7302), (4868, 6426)]