217331138878

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1\times {\mathrm{1215349}}^1$

素因数の和:1215652

約数の個数: 32

約数和(自身を含む): 381172651200

約数和(自身を除く): 163841512322

約数列:

[1, 2, 7, 14, 53, 106, 241, 371, 482, 742, 1687, 3374, 12773, 25546, 89411, 178822, 1215349, 2430698, 8507443, 17014886, 64413497, 128826994, 292899109, 450894479, 585798218, 901788958, 2050293763, 4100587526, 15523652777, 31047305554, 108665569439, 217331138878]

約数ペア:

[(1, 217331138878), (2, 108665569439), (7, 31047305554), (14, 15523652777), (53, 4100587526), (106, 2050293763), (241, 901788958), (371, 585798218), (482, 450894479), (742, 292899109), (1687, 128826994), (3374, 64413497), (12773, 17014886), (25546, 8507443), (89411, 2430698), (178822, 1215349)]