217872278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:453

約数の個数: 64

約数和(自身を含む): 392878080

約数和(自身を除く): 175005802

約数列:

[1, 2, 13, 19, 26, 31, 38, 41, 62, 82, 247, 347, 403, 494, 533, 589, 694, 779, 806, 1066, 1178, 1271, 1558, 2542, 4511, 6593, 7657, 9022, 10127, 10757, 13186, 14227, 15314, 16523, 20254, 21514, 24149, 28454, 33046, 48298, 85709, 139841, 171418, 184951, 204383, 270313, 279682, 313937, 369902, 408766, 441037, 540626, 627874, 882074, 2656979, 3514069, 5313958, 5733481, 7028138, 8379703, 11466962, 16759406, 108936139, 217872278]

約数ペア:

[(1, 217872278), (2, 108936139), (13, 16759406), (19, 11466962), (26, 8379703), (31, 7028138), (38, 5733481), (41, 5313958), (62, 3514069), (82, 2656979), (247, 882074), (347, 627874), (403, 540626), (494, 441037), (533, 408766), (589, 369902), (694, 313937), (779, 279682), (806, 270313), (1066, 204383), (1178, 184951), (1271, 171418), (1558, 139841), (2542, 85709), (4511, 48298), (6593, 33046), (7657, 28454), (9022, 24149), (10127, 21514), (10757, 20254), (13186, 16523), (14227, 15314)]