81458912

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1439}}^1$

素因数の和:1539

約数の個数: 48

約数和(自身を含む): 168739200

約数和(自身を除く): 87280288

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 61, 116, 122, 232, 244, 464, 488, 928, 976, 1439, 1769, 1952, 2878, 3538, 5756, 7076, 11512, 14152, 23024, 28304, 41731, 46048, 56608, 83462, 87779, 166924, 175558, 333848, 351116, 667696, 702232, 1335392, 1404464, 2545591, 2808928, 5091182, 10182364, 20364728, 40729456, 81458912]

約数ペア:

[(1, 81458912), (2, 40729456), (4, 20364728), (8, 10182364), (16, 5091182), (29, 2808928), (32, 2545591), (58, 1404464), (61, 1335392), (116, 702232), (122, 667696), (232, 351116), (244, 333848), (464, 175558), (488, 166924), (928, 87779), (976, 83462), (1439, 56608), (1769, 46048), (1952, 41731), (2878, 28304), (3538, 23024), (5756, 14152), (7076, 11512)]