217933456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{373}}^1$

素因数の和:500

約数の個数: 60

約数和(自身を含む): 464710708

約数和(自身を除く): 246777252

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 373, 424, 689, 746, 848, 1378, 1492, 2756, 2809, 2984, 4849, 5512, 5618, 5968, 9698, 11024, 11236, 19396, 19769, 22472, 36517, 38792, 39538, 44944, 73034, 77584, 79076, 146068, 158152, 256997, 292136, 316304, 513994, 584272, 1027988, 1047757, 2055976, 2095514, 4111952, 4191028, 8382056, 13620841, 16764112, 27241682, 54483364, 108966728, 217933456]

約数ペア:

[(1, 217933456), (2, 108966728), (4, 54483364), (8, 27241682), (13, 16764112), (16, 13620841), (26, 8382056), (52, 4191028), (53, 4111952), (104, 2095514), (106, 2055976), (208, 1047757), (212, 1027988), (373, 584272), (424, 513994), (689, 316304), (746, 292136), (848, 256997), (1378, 158152), (1492, 146068), (2756, 79076), (2809, 77584), (2984, 73034), (4849, 44944), (5512, 39538), (5618, 38792), (5968, 36517), (9698, 22472), (11024, 19769), (11236, 19396)]