213399368

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:487

約数の個数: 128

約数和(自身を含む): 534885120

約数和(自身を除く): 321485752

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 43, 52, 56, 68, 86, 91, 104, 119, 136, 172, 182, 221, 238, 301, 344, 364, 401, 442, 476, 559, 602, 728, 731, 802, 884, 952, 1118, 1204, 1462, 1547, 1604, 1768, 2236, 2408, 2807, 2924, 3094, 3208, 3913, 4472, 5117, 5213, 5614, 5848, 6188, 6817, 7826, 9503, 10234, 10426, 11228, 12376, 13634, 15652, 17243, 19006, 20468, 20852, 22456, 27268, 31304, 34486, 36491, 38012, 40936, 41704, 47719, 54536, 66521, 68972, 72982, 76024, 88621, 95438, 120701, 133042, 137944, 145964, 177242, 190876, 224159, 241402, 266084, 291928, 293131, 354484, 381752, 448318, 482804, 532168, 586262, 620347, 708968, 896636, 965608, 1172524, 1240694, 1569113, 1793272, 2051917, 2345048, 2481388, 3138226, 3810703, 4103834, 4962776, 6276452, 7621406, 8207668, 12552904, 15242812, 16415336, 26674921, 30485624, 53349842, 106699684, 213399368]

約数ペア:

[(1, 213399368), (2, 106699684), (4, 53349842), (7, 30485624), (8, 26674921), (13, 16415336), (14, 15242812), (17, 12552904), (26, 8207668), (28, 7621406), (34, 6276452), (43, 4962776), (52, 4103834), (56, 3810703), (68, 3138226), (86, 2481388), (91, 2345048), (104, 2051917), (119, 1793272), (136, 1569113), (172, 1240694), (182, 1172524), (221, 965608), (238, 896636), (301, 708968), (344, 620347), (364, 586262), (401, 532168), (442, 482804), (476, 448318), (559, 381752), (602, 354484), (728, 293131), (731, 291928), (802, 266084), (884, 241402), (952, 224159), (1118, 190876), (1204, 177242), (1462, 145964), (1547, 137944), (1604, 133042), (1768, 120701), (2236, 95438), (2408, 88621), (2807, 76024), (2924, 72982), (3094, 68972), (3208, 66521), (3913, 54536), (4472, 47719), (5117, 41704), (5213, 40936), (5614, 38012), (5848, 36491), (6188, 34486), (6817, 31304), (7826, 27268), (9503, 22456), (10234, 20852), (10426, 20468), (11228, 19006), (12376, 17243), (13634, 15652)]