80900666

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 157593600

約数和(自身を除く): 76692934

約数列:

[1, 2, 7, 11, 14, 22, 49, 71, 77, 98, 142, 151, 154, 302, 343, 497, 539, 686, 781, 994, 1057, 1078, 1562, 1661, 2114, 3322, 3479, 3773, 5467, 6958, 7399, 7546, 10721, 10934, 11627, 14798, 21442, 23254, 24353, 38269, 48706, 51793, 75047, 76538, 81389, 103586, 117931, 150094, 162778, 235862, 267883, 525329, 535766, 569723, 825517, 1050658, 1139446, 1651034, 3677303, 5778619, 7354606, 11557238, 40450333, 80900666]

約数ペア:

[(1, 80900666), (2, 40450333), (7, 11557238), (11, 7354606), (14, 5778619), (22, 3677303), (49, 1651034), (71, 1139446), (77, 1050658), (98, 825517), (142, 569723), (151, 535766), (154, 525329), (302, 267883), (343, 235862), (497, 162778), (539, 150094), (686, 117931), (781, 103586), (994, 81389), (1057, 76538), (1078, 75047), (1562, 51793), (1661, 48706), (2114, 38269), (3322, 24353), (3479, 23254), (3773, 21442), (5467, 14798), (6958, 11627), (7399, 10934), (7546, 10721)]