16221392

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:156

約数の個数: 80

約数和(自身を含む): 36640512

約数和(自身を除く): 20419120

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 47, 53, 74, 88, 94, 106, 148, 176, 188, 212, 296, 376, 407, 424, 517, 583, 592, 752, 814, 848, 1034, 1166, 1628, 1739, 1961, 2068, 2332, 2491, 3256, 3478, 3922, 4136, 4664, 4982, 6512, 6956, 7844, 8272, 9328, 9964, 13912, 15688, 19129, 19928, 21571, 27401, 27824, 31376, 38258, 39856, 43142, 54802, 76516, 86284, 92167, 109604, 153032, 172568, 184334, 219208, 306064, 345136, 368668, 438416, 737336, 1013837, 1474672, 2027674, 4055348, 8110696, 16221392]

約数ペア:

[(1, 16221392), (2, 8110696), (4, 4055348), (8, 2027674), (11, 1474672), (16, 1013837), (22, 737336), (37, 438416), (44, 368668), (47, 345136), (53, 306064), (74, 219208), (88, 184334), (94, 172568), (106, 153032), (148, 109604), (176, 92167), (188, 86284), (212, 76516), (296, 54802), (376, 43142), (407, 39856), (424, 38258), (517, 31376), (583, 27824), (592, 27401), (752, 21571), (814, 19928), (848, 19129), (1034, 15688), (1166, 13912), (1628, 9964), (1739, 9328), (1961, 8272), (2068, 7844), (2332, 6956), (2491, 6512), (3256, 4982), (3478, 4664), (3922, 4136)]