81877334

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{503}}^1$

素因数の和:681

約数の個数: 48

約数和(自身を含む): 157199616

約数和(自身を除く): 75322282

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 151, 154, 302, 503, 539, 1006, 1057, 1078, 1661, 2114, 3322, 3521, 5533, 7042, 7399, 11066, 11627, 14798, 23254, 24647, 38731, 49294, 75953, 77462, 81389, 151906, 162778, 271117, 531671, 542234, 835483, 1063342, 1670966, 3721697, 5848381, 7443394, 11696762, 40938667, 81877334]

約数ペア:

[(1, 81877334), (2, 40938667), (7, 11696762), (11, 7443394), (14, 5848381), (22, 3721697), (49, 1670966), (77, 1063342), (98, 835483), (151, 542234), (154, 531671), (302, 271117), (503, 162778), (539, 151906), (1006, 81389), (1057, 77462), (1078, 75953), (1661, 49294), (2114, 38731), (3322, 24647), (3521, 23254), (5533, 14798), (7042, 11627), (7399, 11066)]