858963856

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{21569}}^1$

素因数の和:21727

約数の個数: 40

約数和(自身を含む): 1765288800

約数和(自身を除く): 906324944

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 131, 152, 262, 304, 524, 1048, 2096, 2489, 4978, 9956, 19912, 21569, 39824, 43138, 86276, 172552, 345104, 409811, 819622, 1639244, 2825539, 3278488, 5651078, 6556976, 11302156, 22604312, 45208624, 53685241, 107370482, 214740964, 429481928, 858963856]

約数ペア:

[(1, 858963856), (2, 429481928), (4, 214740964), (8, 107370482), (16, 53685241), (19, 45208624), (38, 22604312), (76, 11302156), (131, 6556976), (152, 5651078), (262, 3278488), (304, 2825539), (524, 1639244), (1048, 819622), (2096, 409811), (2489, 345104), (4978, 172552), (9956, 86276), (19912, 43138), (21569, 39824)]