215986672

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{1277}}^1$

素因数の和:1358

約数の個数: 60

約数和(自身を含む): 472088088

約数和(自身を除く): 256101416

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 961, 1277, 1364, 1922, 2554, 2728, 3844, 5108, 5456, 7688, 10216, 10571, 14047, 15376, 20432, 21142, 28094, 39587, 42284, 56188, 79174, 84568, 112376, 158348, 169136, 224752, 316696, 435457, 633392, 870914, 1227197, 1741828, 2454394, 3483656, 4908788, 6967312, 9817576, 13499167, 19635152, 26998334, 53996668, 107993336, 215986672]

約数ペア:

[(1, 215986672), (2, 107993336), (4, 53996668), (8, 26998334), (11, 19635152), (16, 13499167), (22, 9817576), (31, 6967312), (44, 4908788), (62, 3483656), (88, 2454394), (124, 1741828), (176, 1227197), (248, 870914), (341, 633392), (496, 435457), (682, 316696), (961, 224752), (1277, 169136), (1364, 158348), (1922, 112376), (2554, 84568), (2728, 79174), (3844, 56188), (5108, 42284), (5456, 39587), (7688, 28094), (10216, 21142), (10571, 20432), (14047, 15376)]