217654892

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{701}}^1\times {\mathrm{853}}^1$

素因数の和:1578

約数の個数: 48

約数和(自身を含む): 470014272

約数和(自身を除く): 252359380

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 701, 853, 1402, 1706, 2804, 3412, 4907, 5971, 9113, 9814, 11089, 11942, 18226, 19628, 22178, 23884, 36452, 44356, 63791, 77623, 127582, 155246, 255164, 310492, 597953, 1195906, 2391812, 4185671, 7773389, 8371342, 15546778, 16742684, 31093556, 54413723, 108827446, 217654892]

約数ペア:

[(1, 217654892), (2, 108827446), (4, 54413723), (7, 31093556), (13, 16742684), (14, 15546778), (26, 8371342), (28, 7773389), (52, 4185671), (91, 2391812), (182, 1195906), (364, 597953), (701, 310492), (853, 255164), (1402, 155246), (1706, 127582), (2804, 77623), (3412, 63791), (4907, 44356), (5971, 36452), (9113, 23884), (9814, 22178), (11089, 19628), (11942, 18226)]